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Finding the Fourth Proportional to 110,875.93, 153,008.93 and 63,129.30

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Solution

The fourth proportional to 110,875.93, 153,008.93 and 63,129.30 is: 87,118.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,875.93 : 153,008.93 = 63,129.30 : x
  2. Step 2: Convert to fraction form
    110,875.93/153,008.93 = 63,129.30/x
  3. Step 3: Cross multiply
    110,875.93x = 153,008.93 × 63,129.30
  4. Step 4: Simplify right side
    110,875.93x = 9,659,346,644.65
  5. Step 5: Solve for x
    x = 9,659,346,644.65/110,875.93
  6. Step 6: Final answer
    x = 87,118.52

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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.