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Finding the Fourth Proportional to 177,955, 245,576.05 and 101,486.55

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Solution

The fourth proportional to 177,955, 245,576.05 and 101,486.55 is: 140,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,955 : 245,576.05 = 101,486.55 : x
  2. Step 2: Convert to fraction form
    177,955/245,576.05 = 101,486.55/x
  3. Step 3: Cross multiply
    177,955x = 245,576.05 × 101,486.55
  4. Step 4: Simplify right side
    177,955x = 24,922,666,077.13
  5. Step 5: Solve for x
    x = 24,922,666,077.13/177,955
  6. Step 6: Final answer
    x = 140,050.38

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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.