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Finding the Fourth Proportional to 243,488.16, 335,988.72 and 167,072.76

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Solution

The fourth proportional to 243,488.16, 335,988.72 and 167,072.76 is: 230,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,488.16 : 335,988.72 = 167,072.76 : x
  2. Step 2: Convert to fraction form
    243,488.16/335,988.72 = 167,072.76/x
  3. Step 3: Cross multiply
    243,488.16x = 335,988.72 × 167,072.76
  4. Step 4: Simplify right side
    243,488.16x = 56,134,562,779.27
  5. Step 5: Solve for x
    x = 56,134,562,779.27/243,488.16
  6. Step 6: Final answer
    x = 230,543.30

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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.