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Finding the Fourth Proportional to 230,351.32, 317,895.62 and 134,888.76

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Solution

The fourth proportional to 230,351.32, 317,895.62 and 134,888.76 is: 186,152.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,351.32 : 317,895.62 = 134,888.76 : x
  2. Step 2: Convert to fraction form
    230,351.32/317,895.62 = 134,888.76/x
  3. Step 3: Cross multiply
    230,351.32x = 317,895.62 × 134,888.76
  4. Step 4: Simplify right side
    230,351.32x = 42,880,545,991.23
  5. Step 5: Solve for x
    x = 42,880,545,991.23/230,351.32
  6. Step 6: Final answer
    x = 186,152.81

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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.