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Finding the Fourth Proportional to 178,119.61, 245,796.32 and 97,547.49

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Solution

The fourth proportional to 178,119.61, 245,796.32 and 97,547.49 is: 134,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,119.61 : 245,796.32 = 97,547.49 : x
  2. Step 2: Convert to fraction form
    178,119.61/245,796.32 = 97,547.49/x
  3. Step 3: Cross multiply
    178,119.61x = 245,796.32 × 97,547.49
  4. Step 4: Simplify right side
    178,119.61x = 23,976,814,311.11
  5. Step 5: Solve for x
    x = 23,976,814,311.11/178,119.61
  6. Step 6: Final answer
    x = 134,610.75

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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.