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Finding the Fourth Proportional to 151,244.76, 208,710.54 and 83,260.32

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Solution

The fourth proportional to 151,244.76, 208,710.54 and 83,260.32 is: 114,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,244.76 : 208,710.54 = 83,260.32 : x
  2. Step 2: Convert to fraction form
    151,244.76/208,710.54 = 83,260.32/x
  3. Step 3: Cross multiply
    151,244.76x = 208,710.54 × 83,260.32
  4. Step 4: Simplify right side
    151,244.76x = 17,377,306,347.77
  5. Step 5: Solve for x
    x = 17,377,306,347.77/151,244.76
  6. Step 6: Final answer
    x = 114,895.26

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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.