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Finding the Fourth Proportional to 106,773.60, 147,347.52 and 64,340.34

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Solution

The fourth proportional to 106,773.60, 147,347.52 and 64,340.34 is: 88,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,773.60 : 147,347.52 = 64,340.34 : x
  2. Step 2: Convert to fraction form
    106,773.60/147,347.52 = 64,340.34/x
  3. Step 3: Cross multiply
    106,773.60x = 147,347.52 × 64,340.34
  4. Step 4: Simplify right side
    106,773.60x = 9,480,389,534.96
  5. Step 5: Solve for x
    x = 9,480,389,534.96/106,773.60
  6. Step 6: Final answer
    x = 88,789.64

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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.