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Finding the Fourth Proportional to 110,079.91, 151,973.26 and 72,463.51

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Solution

The fourth proportional to 110,079.91, 151,973.26 and 72,463.51 is: 100,041.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,079.91 : 151,973.26 = 72,463.51 : x
  2. Step 2: Convert to fraction form
    110,079.91/151,973.26 = 72,463.51/x
  3. Step 3: Cross multiply
    110,079.91x = 151,973.26 × 72,463.51
  4. Step 4: Simplify right side
    110,079.91x = 11,012,516,262.16
  5. Step 5: Solve for x
    x = 11,012,516,262.16/110,079.91
  6. Step 6: Final answer
    x = 100,041.11

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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.