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Finding the Fourth Proportional to 110,952, 153,110.88 and 65,632.32

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Solution

The fourth proportional to 110,952, 153,110.88 and 65,632.32 is: 90,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,952 : 153,110.88 = 65,632.32 : x
  2. Step 2: Convert to fraction form
    110,952/153,110.88 = 65,632.32/x
  3. Step 3: Cross multiply
    110,952x = 153,110.88 × 65,632.32
  4. Step 4: Simplify right side
    110,952x = 10,049,022,271.64
  5. Step 5: Solve for x
    x = 10,049,022,271.64/110,952
  6. Step 6: Final answer
    x = 90,570.90

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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.