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Finding the Fourth Proportional to 233,238.99, 321,969.12 and 156,802.42

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Solution

The fourth proportional to 233,238.99, 321,969.12 and 156,802.42 is: 216,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,238.99 : 321,969.12 = 156,802.42 : x
  2. Step 2: Convert to fraction form
    233,238.99/321,969.12 = 156,802.42/x
  3. Step 3: Cross multiply
    233,238.99x = 321,969.12 × 156,802.42
  4. Step 4: Simplify right side
    233,238.99x = 50,485,537,975.74
  5. Step 5: Solve for x
    x = 50,485,537,975.74/233,238.99
  6. Step 6: Final answer
    x = 216,454.11

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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.