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Finding the Fourth Proportional to 243,351.23, 335,822.72 and 134,455.22

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Solution

The fourth proportional to 243,351.23, 335,822.72 and 134,455.22 is: 185,547.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,351.23 : 335,822.72 = 134,455.22 : x
  2. Step 2: Convert to fraction form
    243,351.23/335,822.72 = 134,455.22/x
  3. Step 3: Cross multiply
    243,351.23x = 335,822.72 × 134,455.22
  4. Step 4: Simplify right side
    243,351.23x = 45,153,117,865.88
  5. Step 5: Solve for x
    x = 45,153,117,865.88/243,351.23
  6. Step 6: Final answer
    x = 185,547.12

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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.