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Finding the Fourth Proportional to 488,145.34, 732,196.59 and 133,158.18

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Solution

The fourth proportional to 488,145.34, 732,196.59 and 133,158.18 is: 199,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,145.34 : 732,196.59 = 133,158.18 : x
  2. Step 2: Convert to fraction form
    488,145.34/732,196.59 = 133,158.18/x
  3. Step 3: Cross multiply
    488,145.34x = 732,196.59 × 133,158.18
  4. Step 4: Simplify right side
    488,145.34x = 97,497,963,828.90
  5. Step 5: Solve for x
    x = 97,497,963,828.90/488,145.34
  6. Step 6: Final answer
    x = 199,731.43

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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.