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Finding the Fourth Proportional to 154,553.60, 216,841.60 and 154,553.60

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Solution

The fourth proportional to 154,553.60, 216,841.60 and 154,553.60 is: 216,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,553.60 : 216,841.60 = 154,553.60 : x
  2. Step 2: Convert to fraction form
    154,553.60/216,841.60 = 154,553.60/x
  3. Step 3: Cross multiply
    154,553.60x = 216,841.60 × 154,553.60
  4. Step 4: Simplify right side
    154,553.60x = 33,513,649,909.76
  5. Step 5: Solve for x
    x = 33,513,649,909.76/154,553.60
  6. Step 6: Final answer
    x = 216,841.60

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1.5x scale

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.