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Finding the Fourth Proportional to 223,042.50, 307,795.01 and 127,545.93

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Solution

The fourth proportional to 223,042.50, 307,795.01 and 127,545.93 is: 176,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,042.50 : 307,795.01 = 127,545.93 : x
  2. Step 2: Convert to fraction form
    223,042.50/307,795.01 = 127,545.93/x
  3. Step 3: Cross multiply
    223,042.50x = 307,795.01 × 127,545.93
  4. Step 4: Simplify right side
    223,042.50x = 39,258,000,162.08
  5. Step 5: Solve for x
    x = 39,258,000,162.08/223,042.50
  6. Step 6: Final answer
    x = 176,011.30

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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.