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Finding the Fourth Proportional to 110,012.66, 151,804.86 and 61,607.84

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Solution

The fourth proportional to 110,012.66, 151,804.86 and 61,607.84 is: 85,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,012.66 : 151,804.86 = 61,607.84 : x
  2. Step 2: Convert to fraction form
    110,012.66/151,804.86 = 61,607.84/x
  3. Step 3: Cross multiply
    110,012.66x = 151,804.86 × 61,607.84
  4. Step 4: Simplify right side
    110,012.66x = 9,352,369,526.10
  5. Step 5: Solve for x
    x = 9,352,369,526.10/110,012.66
  6. Step 6: Final answer
    x = 85,011.76

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1.5x scale

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.