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Finding the Fourth Proportional to 224,612.40, 309,928.55 and 132,718.90

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Solution

The fourth proportional to 224,612.40, 309,928.55 and 132,718.90 is: 183,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,612.40 : 309,928.55 = 132,718.90 : x
  2. Step 2: Convert to fraction form
    224,612.40/309,928.55 = 132,718.90/x
  3. Step 3: Cross multiply
    224,612.40x = 309,928.55 × 132,718.90
  4. Step 4: Simplify right side
    224,612.40x = 41,133,376,345.82
  5. Step 5: Solve for x
    x = 41,133,376,345.82/224,612.40
  6. Step 6: Final answer
    x = 183,130.48

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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.