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Finding the Fourth Proportional to 117,531.60, 176,261.40 and 38,627.60

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Solution

The fourth proportional to 117,531.60, 176,261.40 and 38,627.60 is: 57,929.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,531.60 : 176,261.40 = 38,627.60 : x
  2. Step 2: Convert to fraction form
    117,531.60/176,261.40 = 38,627.60/x
  3. Step 3: Cross multiply
    117,531.60x = 176,261.40 × 38,627.60
  4. Step 4: Simplify right side
    117,531.60x = 6,808,554,854.64
  5. Step 5: Solve for x
    x = 6,808,554,854.64/117,531.60
  6. Step 6: Final answer
    x = 57,929.57

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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.