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Finding the Fourth Proportional to 113,873,618, 170,862,477.62 and 61,980,482

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Solution

The fourth proportional to 113,873,618, 170,862,477.62 and 61,980,482 is: 92,999,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,873,618 : 170,862,477.62 = 61,980,482 : x
  2. Step 2: Convert to fraction form
    113,873,618/170,862,477.62 = 61,980,482/x
  3. Step 3: Cross multiply
    113,873,618x = 170,862,477.62 × 61,980,482
  4. Step 4: Simplify right side
    113,873,618x = 10,590,138,718,601,814
  5. Step 5: Solve for x
    x = 10,590,138,718,601,814/113,873,618
  6. Step 6: Final answer
    x = 92,999,053.73

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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.