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Finding the Fourth Proportional to 124,060.98, 171,203.22 and 67,472.40

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Solution

The fourth proportional to 124,060.98, 171,203.22 and 67,472.40 is: 93,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,060.98 : 171,203.22 = 67,472.40 : x
  2. Step 2: Convert to fraction form
    124,060.98/171,203.22 = 67,472.40/x
  3. Step 3: Cross multiply
    124,060.98x = 171,203.22 × 67,472.40
  4. Step 4: Simplify right side
    124,060.98x = 11,551,492,141.13
  5. Step 5: Solve for x
    x = 11,551,492,141.13/124,060.98
  6. Step 6: Final answer
    x = 93,111.40

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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.