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Finding the Fourth Proportional to 124,509.84, 186,635.16 and 93,250.32

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Solution

The fourth proportional to 124,509.84, 186,635.16 and 93,250.32 is: 139,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,509.84 : 186,635.16 = 93,250.32 : x
  2. Step 2: Convert to fraction form
    124,509.84/186,635.16 = 93,250.32/x
  3. Step 3: Cross multiply
    124,509.84x = 186,635.16 × 93,250.32
  4. Step 4: Simplify right side
    124,509.84x = 17,403,788,393.25
  5. Step 5: Solve for x
    x = 17,403,788,393.25/124,509.84
  6. Step 6: Final answer
    x = 139,778.42

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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.