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Finding the Fourth Proportional to 114,737.56, 158,354.94 and 90,482.92

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Solution

The fourth proportional to 114,737.56, 158,354.94 and 90,482.92 is: 124,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,737.56 : 158,354.94 = 90,482.92 : x
  2. Step 2: Convert to fraction form
    114,737.56/158,354.94 = 90,482.92/x
  3. Step 3: Cross multiply
    114,737.56x = 158,354.94 × 90,482.92
  4. Step 4: Simplify right side
    114,737.56x = 14,328,417,367.62
  5. Step 5: Solve for x
    x = 14,328,417,367.62/114,737.56
  6. Step 6: Final answer
    x = 124,879.92

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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.