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Finding the Fourth Proportional to 226,275.71, 312,225.80 and 130,763.97

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Solution

The fourth proportional to 226,275.71, 312,225.80 and 130,763.97 is: 180,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,275.71 : 312,225.80 = 130,763.97 : x
  2. Step 2: Convert to fraction form
    226,275.71/312,225.80 = 130,763.97/x
  3. Step 3: Cross multiply
    226,275.71x = 312,225.80 × 130,763.97
  4. Step 4: Simplify right side
    226,275.71x = 40,827,884,490.61
  5. Step 5: Solve for x
    x = 40,827,884,490.61/226,275.71
  6. Step 6: Final answer
    x = 180,434.24

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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.