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Finding the Fourth Proportional to 107,214, 147,955.44 and 62,510.64

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Solution

The fourth proportional to 107,214, 147,955.44 and 62,510.64 is: 86,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,214 : 147,955.44 = 62,510.64 : x
  2. Step 2: Convert to fraction form
    107,214/147,955.44 = 62,510.64/x
  3. Step 3: Cross multiply
    107,214x = 147,955.44 × 62,510.64
  4. Step 4: Simplify right side
    107,214x = 9,248,789,245.88
  5. Step 5: Solve for x
    x = 9,248,789,245.88/107,214
  6. Step 6: Final answer
    x = 86,264.75

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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.