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Finding the Fourth Proportional to 224,275.51, 336,478.20 and 66,507.76

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Solution

The fourth proportional to 224,275.51, 336,478.20 and 66,507.76 is: 99,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,275.51 : 336,478.20 = 66,507.76 : x
  2. Step 2: Convert to fraction form
    224,275.51/336,478.20 = 66,507.76/x
  3. Step 3: Cross multiply
    224,275.51x = 336,478.20 × 66,507.76
  4. Step 4: Simplify right side
    224,275.51x = 22,378,411,370.83
  5. Step 5: Solve for x
    x = 22,378,411,370.83/224,275.51
  6. Step 6: Final answer
    x = 99,780.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.