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Finding the Fourth Proportional to 107,752.90, 148,554.08 and 75,444.06

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Solution

The fourth proportional to 107,752.90, 148,554.08 and 75,444.06 is: 104,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,752.90 : 148,554.08 = 75,444.06 : x
  2. Step 2: Convert to fraction form
    107,752.90/148,554.08 = 75,444.06/x
  3. Step 3: Cross multiply
    107,752.90x = 148,554.08 × 75,444.06
  4. Step 4: Simplify right side
    107,752.90x = 11,207,522,924.76
  5. Step 5: Solve for x
    x = 11,207,522,924.76/107,752.90
  6. Step 6: Final answer
    x = 104,011.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.