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Finding the Fourth Proportional to 101,376.40, 152,064.60 and 62,010.40

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Solution

The fourth proportional to 101,376.40, 152,064.60 and 62,010.40 is: 93,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,376.40 : 152,064.60 = 62,010.40 : x
  2. Step 2: Convert to fraction form
    101,376.40/152,064.60 = 62,010.40/x
  3. Step 3: Cross multiply
    101,376.40x = 152,064.60 × 62,010.40
  4. Step 4: Simplify right side
    101,376.40x = 9,429,586,671.84
  5. Step 5: Solve for x
    x = 9,429,586,671.84/101,376.40
  6. Step 6: Final answer
    x = 93,015.60

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Why These Related Problems?

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