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Finding the Fourth Proportional to 225,070.48, 310,592.88 and 123,095.61

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Solution

The fourth proportional to 225,070.48, 310,592.88 and 123,095.61 is: 169,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,070.48 : 310,592.88 = 123,095.61 : x
  2. Step 2: Convert to fraction form
    225,070.48/310,592.88 = 123,095.61/x
  3. Step 3: Cross multiply
    225,070.48x = 310,592.88 × 123,095.61
  4. Step 4: Simplify right side
    225,070.48x = 38,232,620,025.26
  5. Step 5: Solve for x
    x = 38,232,620,025.26/225,070.48
  6. Step 6: Final answer
    x = 169,869.54

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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.