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Finding the Fourth Proportional to 86,077.61, 129,123.86 and 23,748.11

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Solution

The fourth proportional to 86,077.61, 129,123.86 and 23,748.11 is: 35,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,077.61 : 129,123.86 = 23,748.11 : x
  2. Step 2: Convert to fraction form
    86,077.61/129,123.86 = 23,748.11/x
  3. Step 3: Cross multiply
    86,077.61x = 129,123.86 × 23,748.11
  4. Step 4: Simplify right side
    86,077.61x = 3,066,447,630.90
  5. Step 5: Solve for x
    x = 3,066,447,630.90/86,077.61
  6. Step 6: Final answer
    x = 35,624.22

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1.5x scale

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.