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Finding the Fourth Proportional to 139,543.68, 209,237.76 and 46,024.32

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Solution

The fourth proportional to 139,543.68, 209,237.76 and 46,024.32 is: 69,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,543.68 : 209,237.76 = 46,024.32 : x
  2. Step 2: Convert to fraction form
    139,543.68/209,237.76 = 46,024.32/x
  3. Step 3: Cross multiply
    139,543.68x = 209,237.76 × 46,024.32
  4. Step 4: Simplify right side
    139,543.68x = 9,630,025,622.32
  5. Step 5: Solve for x
    x = 9,630,025,622.32/139,543.68
  6. Step 6: Final answer
    x = 69,010.83

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1.5x scale

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.