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Finding the Fourth Proportional to 127,182, 175,511.16 and 70,592.16

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Solution

The fourth proportional to 127,182, 175,511.16 and 70,592.16 is: 97,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,182 : 175,511.16 = 70,592.16 : x
  2. Step 2: Convert to fraction form
    127,182/175,511.16 = 70,592.16/x
  3. Step 3: Cross multiply
    127,182x = 175,511.16 × 70,592.16
  4. Step 4: Simplify right side
    127,182x = 12,389,711,888.51
  5. Step 5: Solve for x
    x = 12,389,711,888.51/127,182
  6. Step 6: Final answer
    x = 97,417.18

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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.