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Finding the Fourth Proportional to 246,681.60, 370,022.40 and 88,915.20

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Solution

The fourth proportional to 246,681.60, 370,022.40 and 88,915.20 is: 133,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,681.60 : 370,022.40 = 88,915.20 : x
  2. Step 2: Convert to fraction form
    246,681.60/370,022.40 = 88,915.20/x
  3. Step 3: Cross multiply
    246,681.60x = 370,022.40 × 88,915.20
  4. Step 4: Simplify right side
    246,681.60x = 32,900,615,700.48
  5. Step 5: Solve for x
    x = 32,900,615,700.48/246,681.60
  6. Step 6: Final answer
    x = 133,372.80

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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.