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Finding the Fourth Proportional to 92,574.69, 138,624.85 and 64,072.16

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Solution

The fourth proportional to 92,574.69, 138,624.85 and 64,072.16 is: 95,944.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,574.69 : 138,624.85 = 64,072.16 : x
  2. Step 2: Convert to fraction form
    92,574.69/138,624.85 = 64,072.16/x
  3. Step 3: Cross multiply
    92,574.69x = 138,624.85 × 64,072.16
  4. Step 4: Simplify right side
    92,574.69x = 8,881,993,569.18
  5. Step 5: Solve for x
    x = 8,881,993,569.18/92,574.69
  6. Step 6: Final answer
    x = 95,944.08

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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.