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Finding the Fourth Proportional to 243,005.20, 364,507.80 and 167,966.80

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Solution

The fourth proportional to 243,005.20, 364,507.80 and 167,966.80 is: 251,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,005.20 : 364,507.80 = 167,966.80 : x
  2. Step 2: Convert to fraction form
    243,005.20/364,507.80 = 167,966.80/x
  3. Step 3: Cross multiply
    243,005.20x = 364,507.80 × 167,966.80
  4. Step 4: Simplify right side
    243,005.20x = 61,225,208,741.04
  5. Step 5: Solve for x
    x = 61,225,208,741.04/243,005.20
  6. Step 6: Final answer
    x = 251,950.20

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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.