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Finding the Fourth Proportional to 157,557, 236,374.38 and 46,749

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Solution

The fourth proportional to 157,557, 236,374.38 and 46,749 is: 70,135.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,557 : 236,374.38 = 46,749 : x
  2. Step 2: Convert to fraction form
    157,557/236,374.38 = 46,749/x
  3. Step 3: Cross multiply
    157,557x = 236,374.38 × 46,749
  4. Step 4: Simplify right side
    157,557x = 11,050,265,890.62
  5. Step 5: Solve for x
    x = 11,050,265,890.62/157,557
  6. Step 6: Final answer
    x = 70,135.04

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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.