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Finding the Fourth Proportional to 107,082.80, 147,774.12 and 59,339.24

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Solution

The fourth proportional to 107,082.80, 147,774.12 and 59,339.24 is: 81,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,082.80 : 147,774.12 = 59,339.24 : x
  2. Step 2: Convert to fraction form
    107,082.80/147,774.12 = 59,339.24/x
  3. Step 3: Cross multiply
    107,082.80x = 147,774.12 × 59,339.24
  4. Step 4: Simplify right side
    107,082.80x = 8,768,803,972.47
  5. Step 5: Solve for x
    x = 8,768,803,972.47/107,082.80
  6. Step 6: Final answer
    x = 81,888.07

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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.