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Finding the Fourth Proportional to 224,007.95, 309,130.88 and 123,405.95

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Solution

The fourth proportional to 224,007.95, 309,130.88 and 123,405.95 is: 170,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,007.95 : 309,130.88 = 123,405.95 : x
  2. Step 2: Convert to fraction form
    224,007.95/309,130.88 = 123,405.95/x
  3. Step 3: Cross multiply
    224,007.95x = 309,130.88 × 123,405.95
  4. Step 4: Simplify right side
    224,007.95x = 38,148,587,758.05
  5. Step 5: Solve for x
    x = 38,148,587,758.05/224,007.95
  6. Step 6: Final answer
    x = 170,300.16

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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.