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Finding the Fourth Proportional to 80,278.58, 110,798.16 and 46,280.90

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Solution

The fourth proportional to 80,278.58, 110,798.16 and 46,280.90 is: 63,875.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,278.58 : 110,798.16 = 46,280.90 : x
  2. Step 2: Convert to fraction form
    80,278.58/110,798.16 = 46,280.90/x
  3. Step 3: Cross multiply
    80,278.58x = 110,798.16 × 46,280.90
  4. Step 4: Simplify right side
    80,278.58x = 5,127,838,563.14
  5. Step 5: Solve for x
    x = 5,127,838,563.14/80,278.58
  6. Step 6: Final answer
    x = 63,875.55

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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.