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Finding the Fourth Proportional to 107,555.99, 148,430.87 and 59,159.96

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Solution

The fourth proportional to 107,555.99, 148,430.87 and 59,159.96 is: 81,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,555.99 : 148,430.87 = 59,159.96 : x
  2. Step 2: Convert to fraction form
    107,555.99/148,430.87 = 59,159.96/x
  3. Step 3: Cross multiply
    107,555.99x = 148,430.87 × 59,159.96
  4. Step 4: Simplify right side
    107,555.99x = 8,781,164,036.17
  5. Step 5: Solve for x
    x = 8,781,164,036.17/107,555.99
  6. Step 6: Final answer
    x = 81,642.73

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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.