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Finding the Fourth Proportional to 127,094.67, 175,390.81 and 70,506.05

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Solution

The fourth proportional to 127,094.67, 175,390.81 and 70,506.05 is: 97,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,094.67 : 175,390.81 = 70,506.05 : x
  2. Step 2: Convert to fraction form
    127,094.67/175,390.81 = 70,506.05/x
  3. Step 3: Cross multiply
    127,094.67x = 175,390.81 × 70,506.05
  4. Step 4: Simplify right side
    127,094.67x = 12,366,112,166.18
  5. Step 5: Solve for x
    x = 12,366,112,166.18/127,094.67
  6. Step 6: Final answer
    x = 97,298.43

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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.