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Finding the Fourth Proportional to 103,530.60, 155,148.30 and 59,063.40

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Solution

The fourth proportional to 103,530.60, 155,148.30 and 59,063.40 is: 88,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,530.60 : 155,148.30 = 59,063.40 : x
  2. Step 2: Convert to fraction form
    103,530.60/155,148.30 = 59,063.40/x
  3. Step 3: Cross multiply
    103,530.60x = 155,148.30 × 59,063.40
  4. Step 4: Simplify right side
    103,530.60x = 9,163,586,102.22
  5. Step 5: Solve for x
    x = 9,163,586,102.22/103,530.60
  6. Step 6: Final answer
    x = 88,510.90

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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.