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Finding the Fourth Proportional to 225,026, 310,545.60 and 124,424

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Solution

The fourth proportional to 225,026, 310,545.60 and 124,424 is: 171,710.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,026 : 310,545.60 = 124,424 : x
  2. Step 2: Convert to fraction form
    225,026/310,545.60 = 124,424/x
  3. Step 3: Cross multiply
    225,026x = 310,545.60 × 124,424
  4. Step 4: Simplify right side
    225,026x = 38,639,325,734.40
  5. Step 5: Solve for x
    x = 38,639,325,734.40/225,026
  6. Step 6: Final answer
    x = 171,710.49

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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.