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Finding the Fourth Proportional to 207,030.04, 310,545.06 and 165,281.56

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Solution

The fourth proportional to 207,030.04, 310,545.06 and 165,281.56 is: 247,922.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,030.04 : 310,545.06 = 165,281.56 : x
  2. Step 2: Convert to fraction form
    207,030.04/310,545.06 = 165,281.56/x
  3. Step 3: Cross multiply
    207,030.04x = 310,545.06 × 165,281.56
  4. Step 4: Simplify right side
    207,030.04x = 51,327,371,967.09
  5. Step 5: Solve for x
    x = 51,327,371,967.09/207,030.04
  6. Step 6: Final answer
    x = 247,922.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.