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Finding the Fourth Proportional to 85,060, 127,547.08 and 49,532.80

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Solution

The fourth proportional to 85,060, 127,547.08 and 49,532.80 is: 74,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,060 : 127,547.08 = 49,532.80 : x
  2. Step 2: Convert to fraction form
    85,060/127,547.08 = 49,532.80/x
  3. Step 3: Cross multiply
    85,060x = 127,547.08 × 49,532.80
  4. Step 4: Simplify right side
    85,060x = 6,317,764,004.22
  5. Step 5: Solve for x
    x = 6,317,764,004.22/85,060
  6. Step 6: Final answer
    x = 74,274.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.