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Finding the Fourth Proportional to 160,099.94, 220,931.60 and 92,127.28

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Solution

The fourth proportional to 160,099.94, 220,931.60 and 92,127.28 is: 127,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,099.94 : 220,931.60 = 92,127.28 : x
  2. Step 2: Convert to fraction form
    160,099.94/220,931.60 = 92,127.28/x
  3. Step 3: Cross multiply
    160,099.94x = 220,931.60 × 92,127.28
  4. Step 4: Simplify right side
    160,099.94x = 20,353,827,374.05
  5. Step 5: Solve for x
    x = 20,353,827,374.05/160,099.94
  6. Step 6: Final answer
    x = 127,132.01

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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.