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Finding the Fourth Proportional to 110,700, 152,750.58 and 62,948.06

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Solution

The fourth proportional to 110,700, 152,750.58 and 62,948.06 is: 86,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,700 : 152,750.58 = 62,948.06 : x
  2. Step 2: Convert to fraction form
    110,700/152,750.58 = 62,948.06/x
  3. Step 3: Cross multiply
    110,700x = 152,750.58 × 62,948.06
  4. Step 4: Simplify right side
    110,700x = 9,615,352,674.87
  5. Step 5: Solve for x
    x = 9,615,352,674.87/110,700
  6. Step 6: Final answer
    x = 86,859.55

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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.