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Finding the Fourth Proportional to 169,813.70, 238,089.10 and 169,813.70

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Solution

The fourth proportional to 169,813.70, 238,089.10 and 169,813.70 is: 238,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,813.70 : 238,089.10 = 169,813.70 : x
  2. Step 2: Convert to fraction form
    169,813.70/238,089.10 = 169,813.70/x
  3. Step 3: Cross multiply
    169,813.70x = 238,089.10 × 169,813.70
  4. Step 4: Simplify right side
    169,813.70x = 40,430,791,000.67
  5. Step 5: Solve for x
    x = 40,430,791,000.67/169,813.70
  6. Step 6: Final answer
    x = 238,089.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.