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Finding the Fourth Proportional to 110,551.55, 152,561.64 and 62,807.51

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Solution

The fourth proportional to 110,551.55, 152,561.64 and 62,807.51 is: 86,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,551.55 : 152,561.64 = 62,807.51 : x
  2. Step 2: Convert to fraction form
    110,551.55/152,561.64 = 62,807.51/x
  3. Step 3: Cross multiply
    110,551.55x = 152,561.64 × 62,807.51
  4. Step 4: Simplify right side
    110,551.55x = 9,582,016,415.88
  5. Step 5: Solve for x
    x = 9,582,016,415.88/110,551.55
  6. Step 6: Final answer
    x = 86,674.65

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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.