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Finding the Fourth Proportional to 124,289.31, 171,584.16 and 97,006.80

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Solution

The fourth proportional to 124,289.31, 171,584.16 and 97,006.80 is: 133,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,289.31 : 171,584.16 = 97,006.80 : x
  2. Step 2: Convert to fraction form
    124,289.31/171,584.16 = 97,006.80/x
  3. Step 3: Cross multiply
    124,289.31x = 171,584.16 × 97,006.80
  4. Step 4: Simplify right side
    124,289.31x = 16,644,830,292.29
  5. Step 5: Solve for x
    x = 16,644,830,292.29/124,289.31
  6. Step 6: Final answer
    x = 133,920.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.