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Finding the Fourth Proportional to 55,879,365.76, 83,819,071.89 and 25,138,038.10

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Solution

The fourth proportional to 55,879,365.76, 83,819,071.89 and 25,138,038.10 is: 37,707,067.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,879,365.76 : 83,819,071.89 = 25,138,038.10 : x
  2. Step 2: Convert to fraction form
    55,879,365.76/83,819,071.89 = 25,138,038.10/x
  3. Step 3: Cross multiply
    55,879,365.76x = 83,819,071.89 × 25,138,038.10
  4. Step 4: Simplify right side
    55,879,365.76x = 2,107,047,022,677,459.25
  5. Step 5: Solve for x
    x = 2,107,047,022,677,459.25/55,879,365.76
  6. Step 6: Final answer
    x = 37,707,067.61

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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.