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Finding the Fourth Proportional to 223,632.42, 335,332.80 and 65,840.10

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Solution

The fourth proportional to 223,632.42, 335,332.80 and 65,840.10 is: 98,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,632.42 : 335,332.80 = 65,840.10 : x
  2. Step 2: Convert to fraction form
    223,632.42/335,332.80 = 65,840.10/x
  3. Step 3: Cross multiply
    223,632.42x = 335,332.80 × 65,840.10
  4. Step 4: Simplify right side
    223,632.42x = 22,078,345,085.28
  5. Step 5: Solve for x
    x = 22,078,345,085.28/223,632.42
  6. Step 6: Final answer
    x = 98,726.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.