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Finding the Fourth Proportional to 157,521.70, 236,200.95 and 46,699.30

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Solution

The fourth proportional to 157,521.70, 236,200.95 and 46,699.30 is: 70,024.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,521.70 : 236,200.95 = 46,699.30 : x
  2. Step 2: Convert to fraction form
    157,521.70/236,200.95 = 46,699.30/x
  3. Step 3: Cross multiply
    157,521.70x = 236,200.95 × 46,699.30
  4. Step 4: Simplify right side
    157,521.70x = 11,030,419,024.34
  5. Step 5: Solve for x
    x = 11,030,419,024.34/157,521.70
  6. Step 6: Final answer
    x = 70,024.76

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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.