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Finding the Fourth Proportional to 101,250.51, 139,785.30 and 69,466.11

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Solution

The fourth proportional to 101,250.51, 139,785.30 and 69,466.11 is: 95,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,250.51 : 139,785.30 = 69,466.11 : x
  2. Step 2: Convert to fraction form
    101,250.51/139,785.30 = 69,466.11/x
  3. Step 3: Cross multiply
    101,250.51x = 139,785.30 × 69,466.11
  4. Step 4: Simplify right side
    101,250.51x = 9,710,341,026.18
  5. Step 5: Solve for x
    x = 9,710,341,026.18/101,250.51
  6. Step 6: Final answer
    x = 95,904.12

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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.