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Finding the Fourth Proportional to 109,330.32, 150,873.12 and 61,580.82

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Solution

The fourth proportional to 109,330.32, 150,873.12 and 61,580.82 is: 84,980.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,330.32 : 150,873.12 = 61,580.82 : x
  2. Step 2: Convert to fraction form
    109,330.32/150,873.12 = 61,580.82/x
  3. Step 3: Cross multiply
    109,330.32x = 150,873.12 × 61,580.82
  4. Step 4: Simplify right side
    109,330.32x = 9,290,890,445.56
  5. Step 5: Solve for x
    x = 9,290,890,445.56/109,330.32
  6. Step 6: Final answer
    x = 84,980.00

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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.