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Finding the Fourth Proportional to 157,168.50, 235,795.95 and 46,360.50

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Solution

The fourth proportional to 157,168.50, 235,795.95 and 46,360.50 is: 69,553.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,168.50 : 235,795.95 = 46,360.50 : x
  2. Step 2: Convert to fraction form
    157,168.50/235,795.95 = 46,360.50/x
  3. Step 3: Cross multiply
    157,168.50x = 235,795.95 × 46,360.50
  4. Step 4: Simplify right side
    157,168.50x = 10,931,618,139.98
  5. Step 5: Solve for x
    x = 10,931,618,139.98/157,168.50
  6. Step 6: Final answer
    x = 69,553.49

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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.