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Finding the Fourth Proportional to 114,545.61, 158,074.79 and 64,243.53

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Solution

The fourth proportional to 114,545.61, 158,074.79 and 64,243.53 is: 88,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,545.61 : 158,074.79 = 64,243.53 : x
  2. Step 2: Convert to fraction form
    114,545.61/158,074.79 = 64,243.53/x
  3. Step 3: Cross multiply
    114,545.61x = 158,074.79 × 64,243.53
  4. Step 4: Simplify right side
    114,545.61x = 10,155,282,192.39
  5. Step 5: Solve for x
    x = 10,155,282,192.39/114,545.61
  6. Step 6: Final answer
    x = 88,657.11

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1.5x scale

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.