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Finding the Fourth Proportional to 94,603.90, 130,484.76 and 64,335.42

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Solution

The fourth proportional to 94,603.90, 130,484.76 and 64,335.42 is: 88,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,603.90 : 130,484.76 = 64,335.42 : x
  2. Step 2: Convert to fraction form
    94,603.90/130,484.76 = 64,335.42/x
  3. Step 3: Cross multiply
    94,603.90x = 130,484.76 × 64,335.42
  4. Step 4: Simplify right side
    94,603.90x = 8,394,791,838.20
  5. Step 5: Solve for x
    x = 8,394,791,838.20/94,603.90
  6. Step 6: Final answer
    x = 88,736.21

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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.