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Finding the Fourth Proportional to 161,666.81, 223,100.24 and 93,723.16

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Solution

The fourth proportional to 161,666.81, 223,100.24 and 93,723.16 is: 129,337.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,666.81 : 223,100.24 = 93,723.16 : x
  2. Step 2: Convert to fraction form
    161,666.81/223,100.24 = 93,723.16/x
  3. Step 3: Cross multiply
    161,666.81x = 223,100.24 × 93,723.16
  4. Step 4: Simplify right side
    161,666.81x = 20,909,658,463.19
  5. Step 5: Solve for x
    x = 20,909,658,463.19/161,666.81
  6. Step 6: Final answer
    x = 129,337.98

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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.