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Finding the Fourth Proportional to 219,724.59, 303,211.65 and 124,233.34

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Solution

The fourth proportional to 219,724.59, 303,211.65 and 124,233.34 is: 171,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,724.59 : 303,211.65 = 124,233.34 : x
  2. Step 2: Convert to fraction form
    219,724.59/303,211.65 = 124,233.34/x
  3. Step 3: Cross multiply
    219,724.59x = 303,211.65 × 124,233.34
  4. Step 4: Simplify right side
    219,724.59x = 37,668,994,490.35
  5. Step 5: Solve for x
    x = 37,668,994,490.35/219,724.59
  6. Step 6: Final answer
    x = 171,437.32

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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.