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Finding the Fourth Proportional to 210,337.90, 315,036.32 and 97,849.56

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Solution

The fourth proportional to 210,337.90, 315,036.32 and 97,849.56 is: 146,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,337.90 : 315,036.32 = 97,849.56 : x
  2. Step 2: Convert to fraction form
    210,337.90/315,036.32 = 97,849.56/x
  3. Step 3: Cross multiply
    210,337.90x = 315,036.32 × 97,849.56
  4. Step 4: Simplify right side
    210,337.90x = 30,826,165,296.02
  5. Step 5: Solve for x
    x = 30,826,165,296.02/210,337.90
  6. Step 6: Final answer
    x = 146,555.45

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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.