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Finding the Fourth Proportional to 101,573.60, 152,386.31 and 64,397.84

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Solution

The fourth proportional to 101,573.60, 152,386.31 and 64,397.84 is: 96,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,573.60 : 152,386.31 = 64,397.84 : x
  2. Step 2: Convert to fraction form
    101,573.60/152,386.31 = 64,397.84/x
  3. Step 3: Cross multiply
    101,573.60x = 152,386.31 × 64,397.84
  4. Step 4: Simplify right side
    101,573.60x = 9,813,348,608.63
  5. Step 5: Solve for x
    x = 9,813,348,608.63/101,573.60
  6. Step 6: Final answer
    x = 96,613.19

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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.