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Finding the Fourth Proportional to 114,861.65, 158,510.45 and 64,559.57

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Solution

The fourth proportional to 114,861.65, 158,510.45 and 64,559.57 is: 89,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,861.65 : 158,510.45 = 64,559.57 : x
  2. Step 2: Convert to fraction form
    114,861.65/158,510.45 = 64,559.57/x
  3. Step 3: Cross multiply
    114,861.65x = 158,510.45 × 64,559.57
  4. Step 4: Simplify right side
    114,861.65x = 10,233,365,861.35
  5. Step 5: Solve for x
    x = 10,233,365,861.35/114,861.65
  6. Step 6: Final answer
    x = 89,092.98

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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.