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Finding the Fourth Proportional to 124,549.72, 171,882.41 and 70,842.47

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Solution

The fourth proportional to 124,549.72, 171,882.41 and 70,842.47 is: 97,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,549.72 : 171,882.41 = 70,842.47 : x
  2. Step 2: Convert to fraction form
    124,549.72/171,882.41 = 70,842.47/x
  3. Step 3: Cross multiply
    124,549.72x = 171,882.41 × 70,842.47
  4. Step 4: Simplify right side
    124,549.72x = 12,176,574,473.95
  5. Step 5: Solve for x
    x = 12,176,574,473.95/124,549.72
  6. Step 6: Final answer
    x = 97,764.77

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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.