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Finding the Fourth Proportional to 110,570.84, 152,587.42 and 62,821.88

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Solution

The fourth proportional to 110,570.84, 152,587.42 and 62,821.88 is: 86,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,570.84 : 152,587.42 = 62,821.88 : x
  2. Step 2: Convert to fraction form
    110,570.84/152,587.42 = 62,821.88/x
  3. Step 3: Cross multiply
    110,570.84x = 152,587.42 × 62,821.88
  4. Step 4: Simplify right side
    110,570.84x = 9,585,828,588.75
  5. Step 5: Solve for x
    x = 9,585,828,588.75/110,570.84
  6. Step 6: Final answer
    x = 86,694.00

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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.