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Finding the Fourth Proportional to 216,869.40, 325,304.10 and 59,097.60

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Solution

The fourth proportional to 216,869.40, 325,304.10 and 59,097.60 is: 88,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,869.40 : 325,304.10 = 59,097.60 : x
  2. Step 2: Convert to fraction form
    216,869.40/325,304.10 = 59,097.60/x
  3. Step 3: Cross multiply
    216,869.40x = 325,304.10 × 59,097.60
  4. Step 4: Simplify right side
    216,869.40x = 19,224,691,580.16
  5. Step 5: Solve for x
    x = 19,224,691,580.16/216,869.40
  6. Step 6: Final answer
    x = 88,646.40

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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.