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Finding the Fourth Proportional to 157,323.60, 235,985.40 and 46,515.60

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Solution

The fourth proportional to 157,323.60, 235,985.40 and 46,515.60 is: 69,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,323.60 : 235,985.40 = 46,515.60 : x
  2. Step 2: Convert to fraction form
    157,323.60/235,985.40 = 46,515.60/x
  3. Step 3: Cross multiply
    157,323.60x = 235,985.40 × 46,515.60
  4. Step 4: Simplify right side
    157,323.60x = 10,977,002,472.24
  5. Step 5: Solve for x
    x = 10,977,002,472.24/157,323.60
  6. Step 6: Final answer
    x = 69,773.40

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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.