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Finding the Fourth Proportional to 106,758.60, 147,320.54 and 59,009.10

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Solution

The fourth proportional to 106,758.60, 147,320.54 and 59,009.10 is: 81,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,758.60 : 147,320.54 = 59,009.10 : x
  2. Step 2: Convert to fraction form
    106,758.60/147,320.54 = 59,009.10/x
  3. Step 3: Cross multiply
    106,758.60x = 147,320.54 × 59,009.10
  4. Step 4: Simplify right side
    106,758.60x = 8,693,252,476.91
  5. Step 5: Solve for x
    x = 8,693,252,476.91/106,758.60
  6. Step 6: Final answer
    x = 81,429.06

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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.