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Finding the Fourth Proportional to 57,843,641.84, 79,751,596.08 and 42,346,822.40

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Solution

The fourth proportional to 57,843,641.84, 79,751,596.08 and 42,346,822.40 is: 58,385,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,843,641.84 : 79,751,596.08 = 42,346,822.40 : x
  2. Step 2: Convert to fraction form
    57,843,641.84/79,751,596.08 = 42,346,822.40/x
  3. Step 3: Cross multiply
    57,843,641.84x = 79,751,596.08 × 42,346,822.40
  4. Step 4: Simplify right side
    57,843,641.84x = 3,377,226,675,316,296
  5. Step 5: Solve for x
    x = 3,377,226,675,316,296/57,843,641.84
  6. Step 6: Final answer
    x = 58,385,443.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.