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Finding the Fourth Proportional to 80,225.64, 110,710.80 and 48,412.08

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Solution

The fourth proportional to 80,225.64, 110,710.80 and 48,412.08 is: 66,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,225.64 : 110,710.80 = 48,412.08 : x
  2. Step 2: Convert to fraction form
    80,225.64/110,710.80 = 48,412.08/x
  3. Step 3: Cross multiply
    80,225.64x = 110,710.80 × 48,412.08
  4. Step 4: Simplify right side
    80,225.64x = 5,359,740,106.46
  5. Step 5: Solve for x
    x = 5,359,740,106.46/80,225.64
  6. Step 6: Final answer
    x = 66,808.32

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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.