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Finding the Fourth Proportional to 106,887.60, 147,477.20 and 63,849.49

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Solution

The fourth proportional to 106,887.60, 147,477.20 and 63,849.49 is: 88,095.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,887.60 : 147,477.20 = 63,849.49 : x
  2. Step 2: Convert to fraction form
    106,887.60/147,477.20 = 63,849.49/x
  3. Step 3: Cross multiply
    106,887.60x = 147,477.20 × 63,849.49
  4. Step 4: Simplify right side
    106,887.60x = 9,416,343,318.69
  5. Step 5: Solve for x
    x = 9,416,343,318.69/106,887.60
  6. Step 6: Final answer
    x = 88,095.75

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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.