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Finding the Fourth Proportional to 178,054.61, 245,713.55 and 97,481.42

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Solution

The fourth proportional to 178,054.61, 245,713.55 and 97,481.42 is: 134,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,054.61 : 245,713.55 = 97,481.42 : x
  2. Step 2: Convert to fraction form
    178,054.61/245,713.55 = 97,481.42/x
  3. Step 3: Cross multiply
    178,054.61x = 245,713.55 × 97,481.42
  4. Step 4: Simplify right side
    178,054.61x = 23,952,506,903.16
  5. Step 5: Solve for x
    x = 23,952,506,903.16/178,054.61
  6. Step 6: Final answer
    x = 134,523.38

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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.