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Finding the Fourth Proportional to 225,065.32, 310,598.15 and 123,084.70

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Solution

The fourth proportional to 225,065.32, 310,598.15 and 123,084.70 is: 169,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,065.32 : 310,598.15 = 123,084.70 : x
  2. Step 2: Convert to fraction form
    225,065.32/310,598.15 = 123,084.70/x
  3. Step 3: Cross multiply
    225,065.32x = 310,598.15 × 123,084.70
  4. Step 4: Simplify right side
    225,065.32x = 38,229,878,721.39
  5. Step 5: Solve for x
    x = 38,229,878,721.39/225,065.32
  6. Step 6: Final answer
    x = 169,861.26

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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.