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Finding the Fourth Proportional to 114,545.61, 170,888.33 and 108,345.46

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Solution

The fourth proportional to 114,545.61, 170,888.33 and 108,345.46 is: 161,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,545.61 : 170,888.33 = 108,345.46 : x
  2. Step 2: Convert to fraction form
    114,545.61/170,888.33 = 108,345.46/x
  3. Step 3: Cross multiply
    114,545.61x = 170,888.33 × 108,345.46
  4. Step 4: Simplify right side
    114,545.61x = 18,514,974,722.48
  5. Step 5: Solve for x
    x = 18,514,974,722.48/114,545.61
  6. Step 6: Final answer
    x = 161,638.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.