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Finding the Fourth Proportional to 259,616.01, 358,269.90 and 146,438.76

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Solution

The fourth proportional to 259,616.01, 358,269.90 and 146,438.76 is: 202,085.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,616.01 : 358,269.90 = 146,438.76 : x
  2. Step 2: Convert to fraction form
    259,616.01/358,269.90 = 146,438.76/x
  3. Step 3: Cross multiply
    259,616.01x = 358,269.90 × 146,438.76
  4. Step 4: Simplify right side
    259,616.01x = 52,464,599,901.32
  5. Step 5: Solve for x
    x = 52,464,599,901.32/259,616.01
  6. Step 6: Final answer
    x = 202,085.38

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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.