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Finding the Fourth Proportional to 126,752.72, 190,100.28 and 56,594

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Solution

The fourth proportional to 126,752.72, 190,100.28 and 56,594 is: 84,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,752.72 : 190,100.28 = 56,594 : x
  2. Step 2: Convert to fraction form
    126,752.72/190,100.28 = 56,594/x
  3. Step 3: Cross multiply
    126,752.72x = 190,100.28 × 56,594
  4. Step 4: Simplify right side
    126,752.72x = 10,758,535,246.32
  5. Step 5: Solve for x
    x = 10,758,535,246.32/126,752.72
  6. Step 6: Final answer
    x = 84,878.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.