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Finding the Fourth Proportional to 229,374.87, 316,526.58 and 127,406.81

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Solution

The fourth proportional to 229,374.87, 316,526.58 and 127,406.81 is: 175,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,374.87 : 316,526.58 = 127,406.81 : x
  2. Step 2: Convert to fraction form
    229,374.87/316,526.58 = 127,406.81/x
  3. Step 3: Cross multiply
    229,374.87x = 316,526.58 × 127,406.81
  4. Step 4: Simplify right side
    229,374.87x = 40,327,640,255.38
  5. Step 5: Solve for x
    x = 40,327,640,255.38/229,374.87
  6. Step 6: Final answer
    x = 175,815.43

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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.