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Finding the Fourth Proportional to 111,108.42, 153,325.71 and 63,377.01

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Solution

The fourth proportional to 111,108.42, 153,325.71 and 63,377.01 is: 87,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,108.42 : 153,325.71 = 63,377.01 : x
  2. Step 2: Convert to fraction form
    111,108.42/153,325.71 = 63,377.01/x
  3. Step 3: Cross multiply
    111,108.42x = 153,325.71 × 63,377.01
  4. Step 4: Simplify right side
    111,108.42x = 9,717,325,055.93
  5. Step 5: Solve for x
    x = 9,717,325,055.93/111,108.42
  6. Step 6: Final answer
    x = 87,458.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.