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Finding the Fourth Proportional to 177,209.35, 265,612.87 and 155,820.67

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Solution

The fourth proportional to 177,209.35, 265,612.87 and 155,820.67 is: 233,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,209.35 : 265,612.87 = 155,820.67 : x
  2. Step 2: Convert to fraction form
    177,209.35/265,612.87 = 155,820.67/x
  3. Step 3: Cross multiply
    177,209.35x = 265,612.87 × 155,820.67
  4. Step 4: Simplify right side
    177,209.35x = 41,387,975,364.02
  5. Step 5: Solve for x
    x = 41,387,975,364.02/177,209.35
  6. Step 6: Final answer
    x = 233,554.13

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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.