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Finding the Fourth Proportional to 101,476.80, 140,038.47 and 59,036.85

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Solution

The fourth proportional to 101,476.80, 140,038.47 and 59,036.85 is: 81,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,476.80 : 140,038.47 = 59,036.85 : x
  2. Step 2: Convert to fraction form
    101,476.80/140,038.47 = 59,036.85/x
  3. Step 3: Cross multiply
    101,476.80x = 140,038.47 × 59,036.85
  4. Step 4: Simplify right side
    101,476.80x = 8,267,430,147.62
  5. Step 5: Solve for x
    x = 8,267,430,147.62/101,476.80
  6. Step 6: Final answer
    x = 81,471.14

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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.