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Finding the Fourth Proportional to 103,095.36, 154,702.56 and 55,710.60

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Solution

The fourth proportional to 103,095.36, 154,702.56 and 55,710.60 is: 83,598.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,095.36 : 154,702.56 = 55,710.60 : x
  2. Step 2: Convert to fraction form
    103,095.36/154,702.56 = 55,710.60/x
  3. Step 3: Cross multiply
    103,095.36x = 154,702.56 × 55,710.60
  4. Step 4: Simplify right side
    103,095.36x = 8,618,572,439.14
  5. Step 5: Solve for x
    x = 8,618,572,439.14/103,095.36
  6. Step 6: Final answer
    x = 83,598.06

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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.