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Finding the Fourth Proportional to 110,551.61, 152,561.73 and 62,807.58

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Solution

The fourth proportional to 110,551.61, 152,561.73 and 62,807.58 is: 86,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,551.61 : 152,561.73 = 62,807.58 : x
  2. Step 2: Convert to fraction form
    110,551.61/152,561.73 = 62,807.58/x
  3. Step 3: Cross multiply
    110,551.61x = 152,561.73 × 62,807.58
  4. Step 4: Simplify right side
    110,551.61x = 9,582,031,985.07
  5. Step 5: Solve for x
    x = 9,582,031,985.07/110,551.61
  6. Step 6: Final answer
    x = 86,674.74

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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.