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Finding the Fourth Proportional to 225,000.61, 310,501.12 and 123,026.52

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Solution

The fourth proportional to 225,000.61, 310,501.12 and 123,026.52 is: 169,776.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,000.61 : 310,501.12 = 123,026.52 : x
  2. Step 2: Convert to fraction form
    225,000.61/310,501.12 = 123,026.52/x
  3. Step 3: Cross multiply
    225,000.61x = 310,501.12 × 123,026.52
  4. Step 4: Simplify right side
    225,000.61x = 38,199,873,403.10
  5. Step 5: Solve for x
    x = 38,199,873,403.10/225,000.61
  6. Step 6: Final answer
    x = 169,776.75

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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.