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Finding the Fourth Proportional to 161,670.86, 223,106.14 and 93,700.92

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Solution

The fourth proportional to 161,670.86, 223,106.14 and 93,700.92 is: 129,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,670.86 : 223,106.14 = 93,700.92 : x
  2. Step 2: Convert to fraction form
    161,670.86/223,106.14 = 93,700.92/x
  3. Step 3: Cross multiply
    161,670.86x = 223,106.14 × 93,700.92
  4. Step 4: Simplify right side
    161,670.86x = 20,905,250,575.65
  5. Step 5: Solve for x
    x = 20,905,250,575.65/161,670.86
  6. Step 6: Final answer
    x = 129,307.47

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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.