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Finding the Fourth Proportional to 73,458,487.80, 110,055,021.30 and 62,841,655.80

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Solution

The fourth proportional to 73,458,487.80, 110,055,021.30 and 62,841,655.80 is: 94,148,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,458,487.80 : 110,055,021.30 = 62,841,655.80 : x
  2. Step 2: Convert to fraction form
    73,458,487.80/110,055,021.30 = 62,841,655.80/x
  3. Step 3: Cross multiply
    73,458,487.80x = 110,055,021.30 × 62,841,655.80
  4. Step 4: Simplify right side
    73,458,487.80x = 6,916,039,767,596,268
  5. Step 5: Solve for x
    x = 6,916,039,767,596,268/73,458,487.80
  6. Step 6: Final answer
    x = 94,148,953.71

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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.