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Finding the Fourth Proportional to 126,849, 175,051.62 and 70,264.02

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Solution

The fourth proportional to 126,849, 175,051.62 and 70,264.02 is: 96,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,849 : 175,051.62 = 70,264.02 : x
  2. Step 2: Convert to fraction form
    126,849/175,051.62 = 70,264.02/x
  3. Step 3: Cross multiply
    126,849x = 175,051.62 × 70,264.02
  4. Step 4: Simplify right side
    126,849x = 12,299,830,528.71
  5. Step 5: Solve for x
    x = 12,299,830,528.71/126,849
  6. Step 6: Final answer
    x = 96,964.35

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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.