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Finding the Fourth Proportional to 195,432.80, 292,918.80 and 101,890.40

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Solution

The fourth proportional to 195,432.80, 292,918.80 and 101,890.40 is: 152,715.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,432.80 : 292,918.80 = 101,890.40 : x
  2. Step 2: Convert to fraction form
    195,432.80/292,918.80 = 101,890.40/x
  3. Step 3: Cross multiply
    195,432.80x = 292,918.80 × 101,890.40
  4. Step 4: Simplify right side
    195,432.80x = 29,845,613,699.52
  5. Step 5: Solve for x
    x = 29,845,613,699.52/195,432.80
  6. Step 6: Final answer
    x = 152,715.48

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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.