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Finding the Fourth Proportional to 103,294, 142,570.04 and 63,041.04

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Solution

The fourth proportional to 103,294, 142,570.04 and 63,041.04 is: 87,011.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,294 : 142,570.04 = 63,041.04 : x
  2. Step 2: Convert to fraction form
    103,294/142,570.04 = 63,041.04/x
  3. Step 3: Cross multiply
    103,294x = 142,570.04 × 63,041.04
  4. Step 4: Simplify right side
    103,294x = 8,987,763,594.44
  5. Step 5: Solve for x
    x = 8,987,763,594.44/103,294
  6. Step 6: Final answer
    x = 87,011.48

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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.