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Finding the Fourth Proportional to 79,210.57, 109,293.57 and 46,955.35

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Solution

The fourth proportional to 79,210.57, 109,293.57 and 46,955.35 is: 64,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,210.57 : 109,293.57 = 46,955.35 : x
  2. Step 2: Convert to fraction form
    79,210.57/109,293.57 = 46,955.35/x
  3. Step 3: Cross multiply
    79,210.57x = 109,293.57 × 46,955.35
  4. Step 4: Simplify right side
    79,210.57x = 5,131,917,832.10
  5. Step 5: Solve for x
    x = 5,131,917,832.10/79,210.57
  6. Step 6: Final answer
    x = 64,788.30

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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.