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Finding the Fourth Proportional to 73,545.51, 101,528.06 and 45,275.43

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Solution

The fourth proportional to 73,545.51, 101,528.06 and 45,275.43 is: 62,501.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,545.51 : 101,528.06 = 45,275.43 : x
  2. Step 2: Convert to fraction form
    73,545.51/101,528.06 = 45,275.43/x
  3. Step 3: Cross multiply
    73,545.51x = 101,528.06 × 45,275.43
  4. Step 4: Simplify right side
    73,545.51x = 4,596,726,347.19
  5. Step 5: Solve for x
    x = 4,596,726,347.19/73,545.51
  6. Step 6: Final answer
    x = 62,501.79

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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.