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Finding the Fourth Proportional to 92,614.63, 138,108.51 and 91,772.59

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Solution

The fourth proportional to 92,614.63, 138,108.51 and 91,772.59 is: 136,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,614.63 : 138,108.51 = 91,772.59 : x
  2. Step 2: Convert to fraction form
    92,614.63/138,108.51 = 91,772.59/x
  3. Step 3: Cross multiply
    92,614.63x = 138,108.51 × 91,772.59
  4. Step 4: Simplify right side
    92,614.63x = 12,674,575,663.74
  5. Step 5: Solve for x
    x = 12,674,575,663.74/92,614.63
  6. Step 6: Final answer
    x = 136,852.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.