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Finding the Fourth Proportional to 107,159.60, 147,883.74 and 59,417.40

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Solution

The fourth proportional to 107,159.60, 147,883.74 and 59,417.40 is: 81,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,159.60 : 147,883.74 = 59,417.40 : x
  2. Step 2: Convert to fraction form
    107,159.60/147,883.74 = 59,417.40/x
  3. Step 3: Cross multiply
    107,159.60x = 147,883.74 × 59,417.40
  4. Step 4: Simplify right side
    107,159.60x = 8,786,867,333.08
  5. Step 5: Solve for x
    x = 8,786,867,333.08/107,159.60
  6. Step 6: Final answer
    x = 81,997.95

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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.