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Finding the Fourth Proportional to 178,065.91, 245,730.99 and 97,498.63

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Solution

The fourth proportional to 178,065.91, 245,730.99 and 97,498.63 is: 134,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,065.91 : 245,730.99 = 97,498.63 : x
  2. Step 2: Convert to fraction form
    178,065.91/245,730.99 = 97,498.63/x
  3. Step 3: Cross multiply
    178,065.91x = 245,730.99 × 97,498.63
  4. Step 4: Simplify right side
    178,065.91x = 23,958,434,873.54
  5. Step 5: Solve for x
    x = 23,958,434,873.54/178,065.91
  6. Step 6: Final answer
    x = 134,548.13

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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.