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Finding the Fourth Proportional to 224,248.32, 309,456.32 and 123,646.40

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Solution

The fourth proportional to 224,248.32, 309,456.32 and 123,646.40 is: 170,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,248.32 : 309,456.32 = 123,646.40 : x
  2. Step 2: Convert to fraction form
    224,248.32/309,456.32 = 123,646.40/x
  3. Step 3: Cross multiply
    224,248.32x = 309,456.32 × 123,646.40
  4. Step 4: Simplify right side
    224,248.32x = 38,263,159,925.25
  5. Step 5: Solve for x
    x = 38,263,159,925.25/224,248.32
  6. Step 6: Final answer
    x = 170,628.52

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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.