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Finding the Fourth Proportional to 186,442.76, 257,290.62 and 101,559.62

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Solution

The fourth proportional to 186,442.76, 257,290.62 and 101,559.62 is: 140,152.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,442.76 : 257,290.62 = 101,559.62 : x
  2. Step 2: Convert to fraction form
    186,442.76/257,290.62 = 101,559.62/x
  3. Step 3: Cross multiply
    186,442.76x = 257,290.62 × 101,559.62
  4. Step 4: Simplify right side
    186,442.76x = 26,130,337,596.76
  5. Step 5: Solve for x
    x = 26,130,337,596.76/186,442.76
  6. Step 6: Final answer
    x = 140,152.06

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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.