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Finding the Fourth Proportional to 114,670.63, 158,240.10 and 63,686.65

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Solution

The fourth proportional to 114,670.63, 158,240.10 and 63,686.65 is: 87,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,670.63 : 158,240.10 = 63,686.65 : x
  2. Step 2: Convert to fraction form
    114,670.63/158,240.10 = 63,686.65/x
  3. Step 3: Cross multiply
    114,670.63x = 158,240.10 × 63,686.65
  4. Step 4: Simplify right side
    114,670.63x = 10,077,781,864.67
  5. Step 5: Solve for x
    x = 10,077,781,864.67/114,670.63
  6. Step 6: Final answer
    x = 87,884.59

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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.