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Finding the Fourth Proportional to 79,714.40, 110,008.16 and 45,726.08

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Solution

The fourth proportional to 79,714.40, 110,008.16 and 45,726.08 is: 63,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,714.40 : 110,008.16 = 45,726.08 : x
  2. Step 2: Convert to fraction form
    79,714.40/110,008.16 = 45,726.08/x
  3. Step 3: Cross multiply
    79,714.40x = 110,008.16 × 45,726.08
  4. Step 4: Simplify right side
    79,714.40x = 5,030,241,924.81
  5. Step 5: Solve for x
    x = 5,030,241,924.81/79,714.40
  6. Step 6: Final answer
    x = 63,103.30

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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.