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Finding the Fourth Proportional to 127,502.76, 175,960.44 and 70,914

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Solution

The fourth proportional to 127,502.76, 175,960.44 and 70,914 is: 97,865.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,502.76 : 175,960.44 = 70,914 : x
  2. Step 2: Convert to fraction form
    127,502.76/175,960.44 = 70,914/x
  3. Step 3: Cross multiply
    127,502.76x = 175,960.44 × 70,914
  4. Step 4: Simplify right side
    127,502.76x = 12,478,058,642.16
  5. Step 5: Solve for x
    x = 12,478,058,642.16/127,502.76
  6. Step 6: Final answer
    x = 97,865.01

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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.