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Finding the Fourth Proportional to 107,043.84, 147,566.64 and 75,113.76

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Solution

The fourth proportional to 107,043.84, 147,566.64 and 75,113.76 is: 103,549.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,043.84 : 147,566.64 = 75,113.76 : x
  2. Step 2: Convert to fraction form
    107,043.84/147,566.64 = 75,113.76/x
  3. Step 3: Cross multiply
    107,043.84x = 147,566.64 × 75,113.76
  4. Step 4: Simplify right side
    107,043.84x = 11,084,285,180.97
  5. Step 5: Solve for x
    x = 11,084,285,180.97/107,043.84
  6. Step 6: Final answer
    x = 103,549.02

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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.