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Finding the Fourth Proportional to 124,483.96, 186,630.23 and 64,448.07

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Solution

The fourth proportional to 124,483.96, 186,630.23 and 64,448.07 is: 96,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,483.96 : 186,630.23 = 64,448.07 : x
  2. Step 2: Convert to fraction form
    124,483.96/186,630.23 = 64,448.07/x
  3. Step 3: Cross multiply
    124,483.96x = 186,630.23 × 64,448.07
  4. Step 4: Simplify right side
    124,483.96x = 12,027,958,127.16
  5. Step 5: Solve for x
    x = 12,027,958,127.16/124,483.96
  6. Step 6: Final answer
    x = 96,622.55

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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.