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Finding the Fourth Proportional to 157,215.70, 235,823.55 and 94,230.10

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Solution

The fourth proportional to 157,215.70, 235,823.55 and 94,230.10 is: 141,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,215.70 : 235,823.55 = 94,230.10 : x
  2. Step 2: Convert to fraction form
    157,215.70/235,823.55 = 94,230.10/x
  3. Step 3: Cross multiply
    157,215.70x = 235,823.55 × 94,230.10
  4. Step 4: Simplify right side
    157,215.70x = 22,221,676,698.86
  5. Step 5: Solve for x
    x = 22,221,676,698.86/157,215.70
  6. Step 6: Final answer
    x = 141,345.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.