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Finding the Fourth Proportional to 132,632.25, 183,051.03 and 84,987.11

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Solution

The fourth proportional to 132,632.25, 183,051.03 and 84,987.11 is: 117,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,632.25 : 183,051.03 = 84,987.11 : x
  2. Step 2: Convert to fraction form
    132,632.25/183,051.03 = 84,987.11/x
  3. Step 3: Cross multiply
    132,632.25x = 183,051.03 × 84,987.11
  4. Step 4: Simplify right side
    132,632.25x = 15,556,977,106.97
  5. Step 5: Solve for x
    x = 15,556,977,106.97/132,632.25
  6. Step 6: Final answer
    x = 117,294.08

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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.