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Finding the Fourth Proportional to 207,294.96, 310,444.16 and 118,278.59

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Solution

The fourth proportional to 207,294.96, 310,444.16 and 118,278.59 is: 177,133.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,294.96 : 310,444.16 = 118,278.59 : x
  2. Step 2: Convert to fraction form
    207,294.96/310,444.16 = 118,278.59/x
  3. Step 3: Cross multiply
    207,294.96x = 310,444.16 × 118,278.59
  4. Step 4: Simplify right side
    207,294.96x = 36,718,898,590.34
  5. Step 5: Solve for x
    x = 36,718,898,590.34/207,294.96
  6. Step 6: Final answer
    x = 177,133.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.