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Finding the Fourth Proportional to 178,002.32, 245,642.54 and 96,330.40

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Solution

The fourth proportional to 178,002.32, 245,642.54 and 96,330.40 is: 132,935.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,002.32 : 245,642.54 = 96,330.40 : x
  2. Step 2: Convert to fraction form
    178,002.32/245,642.54 = 96,330.40/x
  3. Step 3: Cross multiply
    178,002.32x = 245,642.54 × 96,330.40
  4. Step 4: Simplify right side
    178,002.32x = 23,662,844,135.22
  5. Step 5: Solve for x
    x = 23,662,844,135.22/178,002.32
  6. Step 6: Final answer
    x = 132,935.59

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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.