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Finding the Fourth Proportional to 127,491.60, 175,938.59 and 70,902.98

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Solution

The fourth proportional to 127,491.60, 175,938.59 and 70,902.98 is: 97,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,491.60 : 175,938.59 = 70,902.98 : x
  2. Step 2: Convert to fraction form
    127,491.60/175,938.59 = 70,902.98/x
  3. Step 3: Cross multiply
    127,491.60x = 175,938.59 × 70,902.98
  4. Step 4: Simplify right side
    127,491.60x = 12,474,569,093.79
  5. Step 5: Solve for x
    x = 12,474,569,093.79/127,491.60
  6. Step 6: Final answer
    x = 97,846.20

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1.5x scale

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.