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Finding the Fourth Proportional to 110,088.42, 151,866.44 and 64,737.53

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Solution

The fourth proportional to 110,088.42, 151,866.44 and 64,737.53 is: 89,305.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,088.42 : 151,866.44 = 64,737.53 : x
  2. Step 2: Convert to fraction form
    110,088.42/151,866.44 = 64,737.53/x
  3. Step 3: Cross multiply
    110,088.42x = 151,866.44 × 64,737.53
  4. Step 4: Simplify right side
    110,088.42x = 9,831,458,308.89
  5. Step 5: Solve for x
    x = 9,831,458,308.89/110,088.42
  6. Step 6: Final answer
    x = 89,305.11

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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.