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Finding the Fourth Proportional to 186,553.53, 257,442.88 and 101,669.85

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Solution

The fourth proportional to 186,553.53, 257,442.88 and 101,669.85 is: 140,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,553.53 : 257,442.88 = 101,669.85 : x
  2. Step 2: Convert to fraction form
    186,553.53/257,442.88 = 101,669.85/x
  3. Step 3: Cross multiply
    186,553.53x = 257,442.88 × 101,669.85
  4. Step 4: Simplify right side
    186,553.53x = 26,174,178,993.17
  5. Step 5: Solve for x
    x = 26,174,178,993.17/186,553.53
  6. Step 6: Final answer
    x = 140,303.85

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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.