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Finding the Fourth Proportional to 186,562.74, 257,440.30 and 103,760.88

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Solution

The fourth proportional to 186,562.74, 257,440.30 and 103,760.88 is: 143,180.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,562.74 : 257,440.30 = 103,760.88 : x
  2. Step 2: Convert to fraction form
    186,562.74/257,440.30 = 103,760.88/x
  3. Step 3: Cross multiply
    186,562.74x = 257,440.30 × 103,760.88
  4. Step 4: Simplify right side
    186,562.74x = 26,712,232,075.46
  5. Step 5: Solve for x
    x = 26,712,232,075.46/186,562.74
  6. Step 6: Final answer
    x = 143,180.96

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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.