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Finding the Fourth Proportional to 178,124,421.80, 267,186,632.70 and 178,124,421.80

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Solution

The fourth proportional to 178,124,421.80, 267,186,632.70 and 178,124,421.80 is: 267,186,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,124,421.80 : 267,186,632.70 = 178,124,421.80 : x
  2. Step 2: Convert to fraction form
    178,124,421.80/267,186,632.70 = 178,124,421.80/x
  3. Step 3: Cross multiply
    178,124,421.80x = 267,186,632.70 × 178,124,421.80
  4. Step 4: Simplify right side
    178,124,421.80x = 47,592,464,462,376,472
  5. Step 5: Solve for x
    x = 47,592,464,462,376,472/178,124,421.80
  6. Step 6: Final answer
    x = 267,186,632.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.