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Finding the Fourth Proportional to 178,655,869.60, 250,628,400.80 and 178,655,869.60

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Solution

The fourth proportional to 178,655,869.60, 250,628,400.80 and 178,655,869.60 is: 250,628,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,655,869.60 : 250,628,400.80 = 178,655,869.60 : x
  2. Step 2: Convert to fraction form
    178,655,869.60/250,628,400.80 = 178,655,869.60/x
  3. Step 3: Cross multiply
    178,655,869.60x = 250,628,400.80 × 178,655,869.60
  4. Step 4: Simplify right side
    178,655,869.60x = 44,776,234,891,381,336
  5. Step 5: Solve for x
    x = 44,776,234,891,381,336/178,655,869.60
  6. Step 6: Final answer
    x = 250,628,400.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.