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Finding the Fourth Proportional to 107,151.84, 147,873.05 and 59,409.63

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Solution

The fourth proportional to 107,151.84, 147,873.05 and 59,409.63 is: 81,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,151.84 : 147,873.05 = 59,409.63 : x
  2. Step 2: Convert to fraction form
    107,151.84/147,873.05 = 59,409.63/x
  3. Step 3: Cross multiply
    107,151.84x = 147,873.05 × 59,409.63
  4. Step 4: Simplify right side
    107,151.84x = 8,785,082,890.42
  5. Step 5: Solve for x
    x = 8,785,082,890.42/107,151.84
  6. Step 6: Final answer
    x = 81,987.23

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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.