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Finding the Fourth Proportional to 46,787,876.60, 70,186,504.80 and 16,078,411.40

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Solution

The fourth proportional to 46,787,876.60, 70,186,504.80 and 16,078,411.40 is: 24,119,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,787,876.60 : 70,186,504.80 = 16,078,411.40 : x
  2. Step 2: Convert to fraction form
    46,787,876.60/70,186,504.80 = 16,078,411.40/x
  3. Step 3: Cross multiply
    46,787,876.60x = 70,186,504.80 × 16,078,411.40
  4. Step 4: Simplify right side
    46,787,876.60x = 1,128,487,498,902,474.75
  5. Step 5: Solve for x
    x = 1,128,487,498,902,474.75/46,787,876.60
  6. Step 6: Final answer
    x = 24,119,228.76

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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.