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Finding the Fourth Proportional to 127,460.62, 175,894.58 and 70,871.50

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Solution

The fourth proportional to 127,460.62, 175,894.58 and 70,871.50 is: 97,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,460.62 : 175,894.58 = 70,871.50 : x
  2. Step 2: Convert to fraction form
    127,460.62/175,894.58 = 70,871.50/x
  3. Step 3: Cross multiply
    127,460.62x = 175,894.58 × 70,871.50
  4. Step 4: Simplify right side
    127,460.62x = 12,465,912,726.47
  5. Step 5: Solve for x
    x = 12,465,912,726.47/127,460.62
  6. Step 6: Final answer
    x = 97,802.07

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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.