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Finding the Fourth Proportional to 350,695.40, 526,043.10 and 114,045.80

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Solution

The fourth proportional to 350,695.40, 526,043.10 and 114,045.80 is: 171,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,695.40 : 526,043.10 = 114,045.80 : x
  2. Step 2: Convert to fraction form
    350,695.40/526,043.10 = 114,045.80/x
  3. Step 3: Cross multiply
    350,695.40x = 526,043.10 × 114,045.80
  4. Step 4: Simplify right side
    350,695.40x = 59,993,006,173.98
  5. Step 5: Solve for x
    x = 59,993,006,173.98/350,695.40
  6. Step 6: Final answer
    x = 171,068.70

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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.