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Finding the Fourth Proportional to 114,821.08, 158,455.74 and 64,520.92

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Solution

The fourth proportional to 114,821.08, 158,455.74 and 64,520.92 is: 89,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,821.08 : 158,455.74 = 64,520.92 : x
  2. Step 2: Convert to fraction form
    114,821.08/158,455.74 = 64,520.92/x
  3. Step 3: Cross multiply
    114,821.08x = 158,455.74 × 64,520.92
  4. Step 4: Simplify right side
    114,821.08x = 10,223,710,124.08
  5. Step 5: Solve for x
    x = 10,223,710,124.08/114,821.08
  6. Step 6: Final answer
    x = 89,040.36

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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.