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Finding the Fourth Proportional to 130,468.55, 195,703.73 and 35,696.72

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Solution

The fourth proportional to 130,468.55, 195,703.73 and 35,696.72 is: 53,545.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,468.55 : 195,703.73 = 35,696.72 : x
  2. Step 2: Convert to fraction form
    130,468.55/195,703.73 = 35,696.72/x
  3. Step 3: Cross multiply
    130,468.55x = 195,703.73 × 35,696.72
  4. Step 4: Simplify right side
    130,468.55x = 6,985,980,095.76
  5. Step 5: Solve for x
    x = 6,985,980,095.76/130,468.55
  6. Step 6: Final answer
    x = 53,545.32

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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.