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Finding the Fourth Proportional to 150,417.54, 207,569.79 and 89,952.39

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Solution

The fourth proportional to 150,417.54, 207,569.79 and 89,952.39 is: 124,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,417.54 : 207,569.79 = 89,952.39 : x
  2. Step 2: Convert to fraction form
    150,417.54/207,569.79 = 89,952.39/x
  3. Step 3: Cross multiply
    150,417.54x = 207,569.79 × 89,952.39
  4. Step 4: Simplify right side
    150,417.54x = 18,671,398,702.30
  5. Step 5: Solve for x
    x = 18,671,398,702.30/150,417.54
  6. Step 6: Final answer
    x = 124,130.46

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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.