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Finding the Fourth Proportional to 110,902.72, 153,050.16 and 63,158.08

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Solution

The fourth proportional to 110,902.72, 153,050.16 and 63,158.08 is: 87,160.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,902.72 : 153,050.16 = 63,158.08 : x
  2. Step 2: Convert to fraction form
    110,902.72/153,050.16 = 63,158.08/x
  3. Step 3: Cross multiply
    110,902.72x = 153,050.16 × 63,158.08
  4. Step 4: Simplify right side
    110,902.72x = 9,666,354,249.29
  5. Step 5: Solve for x
    x = 9,666,354,249.29/110,902.72
  6. Step 6: Final answer
    x = 87,160.66

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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.