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Finding the Fourth Proportional to 62,054.40, 93,046.34 and 42,356.80

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Solution

The fourth proportional to 62,054.40, 93,046.34 and 42,356.80 is: 63,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,054.40 : 93,046.34 = 42,356.80 : x
  2. Step 2: Convert to fraction form
    62,054.40/93,046.34 = 42,356.80/x
  3. Step 3: Cross multiply
    62,054.40x = 93,046.34 × 42,356.80
  4. Step 4: Simplify right side
    62,054.40x = 3,941,145,214.11
  5. Step 5: Solve for x
    x = 3,941,145,214.11/62,054.40
  6. Step 6: Final answer
    x = 63,511.13

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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.