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Finding the Fourth Proportional to 160,731.71, 241,035.08 and 85,810.93

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Solution

The fourth proportional to 160,731.71, 241,035.08 and 85,810.93 is: 128,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,731.71 : 241,035.08 = 85,810.93 : x
  2. Step 2: Convert to fraction form
    160,731.71/241,035.08 = 85,810.93/x
  3. Step 3: Cross multiply
    160,731.71x = 241,035.08 × 85,810.93
  4. Step 4: Simplify right side
    160,731.71x = 20,683,443,345.78
  5. Step 5: Solve for x
    x = 20,683,443,345.78/160,731.71
  6. Step 6: Final answer
    x = 128,683.03

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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.