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Finding the Fourth Proportional to 171,172.32, 236,210.76 and 93,646.68

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Solution

The fourth proportional to 171,172.32, 236,210.76 and 93,646.68 is: 129,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,172.32 : 236,210.76 = 93,646.68 : x
  2. Step 2: Convert to fraction form
    171,172.32/236,210.76 = 93,646.68/x
  3. Step 3: Cross multiply
    171,172.32x = 236,210.76 × 93,646.68
  4. Step 4: Simplify right side
    171,172.32x = 22,120,353,454.28
  5. Step 5: Solve for x
    x = 22,120,353,454.28/171,172.32
  6. Step 6: Final answer
    x = 129,228.57

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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.