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Finding the Fourth Proportional to 117,368.68, 175,965.52 and 70,610.64

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Solution

The fourth proportional to 117,368.68, 175,965.52 and 70,610.64 is: 105,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,368.68 : 175,965.52 = 70,610.64 : x
  2. Step 2: Convert to fraction form
    117,368.68/175,965.52 = 70,610.64/x
  3. Step 3: Cross multiply
    117,368.68x = 175,965.52 × 70,610.64
  4. Step 4: Simplify right side
    117,368.68x = 12,425,037,985.13
  5. Step 5: Solve for x
    x = 12,425,037,985.13/117,368.68
  6. Step 6: Final answer
    x = 105,863.32

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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.