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Finding the Fourth Proportional to 186,665.04, 257,599.44 and 101,782.44

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Solution

The fourth proportional to 186,665.04, 257,599.44 and 101,782.44 is: 140,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,665.04 : 257,599.44 = 101,782.44 : x
  2. Step 2: Convert to fraction form
    186,665.04/257,599.44 = 101,782.44/x
  3. Step 3: Cross multiply
    186,665.04x = 257,599.44 × 101,782.44
  4. Step 4: Simplify right side
    186,665.04x = 26,219,099,545.83
  5. Step 5: Solve for x
    x = 26,219,099,545.83/186,665.04
  6. Step 6: Final answer
    x = 140,460.69

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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.