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Finding the Fourth Proportional to 121,518, 182,358 and 46,699.92

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Solution

The fourth proportional to 121,518, 182,358 and 46,699.92 is: 70,081.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,518 : 182,358 = 46,699.92 : x
  2. Step 2: Convert to fraction form
    121,518/182,358 = 46,699.92/x
  3. Step 3: Cross multiply
    121,518x = 182,358 × 46,699.92
  4. Step 4: Simplify right side
    121,518x = 8,516,104,011.36
  5. Step 5: Solve for x
    x = 8,516,104,011.36/121,518
  6. Step 6: Final answer
    x = 70,081.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.