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Finding the Fourth Proportional to 177,683.40, 266,525.10 and 107,699.40

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Solution

The fourth proportional to 177,683.40, 266,525.10 and 107,699.40 is: 161,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,683.40 : 266,525.10 = 107,699.40 : x
  2. Step 2: Convert to fraction form
    177,683.40/266,525.10 = 107,699.40/x
  3. Step 3: Cross multiply
    177,683.40x = 266,525.10 × 107,699.40
  4. Step 4: Simplify right side
    177,683.40x = 28,704,593,354.94
  5. Step 5: Solve for x
    x = 28,704,593,354.94/177,683.40
  6. Step 6: Final answer
    x = 161,549.10

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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.