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Finding the Fourth Proportional to 186,775.52, 257,749.88 and 101,892.60

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Solution

The fourth proportional to 186,775.52, 257,749.88 and 101,892.60 is: 140,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,775.52 : 257,749.88 = 101,892.60 : x
  2. Step 2: Convert to fraction form
    186,775.52/257,749.88 = 101,892.60/x
  3. Step 3: Cross multiply
    186,775.52x = 257,749.88 × 101,892.60
  4. Step 4: Simplify right side
    186,775.52x = 26,262,805,422.89
  5. Step 5: Solve for x
    x = 26,262,805,422.89/186,775.52
  6. Step 6: Final answer
    x = 140,611.60

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1.5x scale

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.