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Finding the Fourth Proportional to 235,298.16, 324,711.23 and 127,867.95

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Solution

The fourth proportional to 235,298.16, 324,711.23 and 127,867.95 is: 176,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,298.16 : 324,711.23 = 127,867.95 : x
  2. Step 2: Convert to fraction form
    235,298.16/324,711.23 = 127,867.95/x
  3. Step 3: Cross multiply
    235,298.16x = 324,711.23 × 127,867.95
  4. Step 4: Simplify right side
    235,298.16x = 41,520,158,682.74
  5. Step 5: Solve for x
    x = 41,520,158,682.74/235,298.16
  6. Step 6: Final answer
    x = 176,457.64

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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.