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Finding the Fourth Proportional to 134,592.59, 185,736.27 and 76,448.93

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Solution

The fourth proportional to 134,592.59, 185,736.27 and 76,448.93 is: 105,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,592.59 : 185,736.27 = 76,448.93 : x
  2. Step 2: Convert to fraction form
    134,592.59/185,736.27 = 76,448.93/x
  3. Step 3: Cross multiply
    134,592.59x = 185,736.27 × 76,448.93
  4. Step 4: Simplify right side
    134,592.59x = 14,199,338,175.01
  5. Step 5: Solve for x
    x = 14,199,338,175.01/134,592.59
  6. Step 6: Final answer
    x = 105,498.66

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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.