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Finding the Fourth Proportional to 109,751.72, 164,627.58 and 26,645.16

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Solution

The fourth proportional to 109,751.72, 164,627.58 and 26,645.16 is: 39,967.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,751.72 : 164,627.58 = 26,645.16 : x
  2. Step 2: Convert to fraction form
    109,751.72/164,627.58 = 26,645.16/x
  3. Step 3: Cross multiply
    109,751.72x = 164,627.58 × 26,645.16
  4. Step 4: Simplify right side
    109,751.72x = 4,386,528,209.51
  5. Step 5: Solve for x
    x = 4,386,528,209.51/109,751.72
  6. Step 6: Final answer
    x = 39,967.74

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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.