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Finding the Fourth Proportional to 124,484.46, 186,630.98 and 64,448.58

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Solution

The fourth proportional to 124,484.46, 186,630.98 and 64,448.58 is: 96,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,484.46 : 186,630.98 = 64,448.58 : x
  2. Step 2: Convert to fraction form
    124,484.46/186,630.98 = 64,448.58/x
  3. Step 3: Cross multiply
    124,484.46x = 186,630.98 × 64,448.58
  4. Step 4: Simplify right side
    124,484.46x = 12,028,101,322.77
  5. Step 5: Solve for x
    x = 12,028,101,322.77/124,484.46
  6. Step 6: Final answer
    x = 96,623.32

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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.