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Finding the Fourth Proportional to 241,242,472.80, 361,863,709.20 and 68,717,041.20

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Solution

The fourth proportional to 241,242,472.80, 361,863,709.20 and 68,717,041.20 is: 103,075,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,242,472.80 : 361,863,709.20 = 68,717,041.20 : x
  2. Step 2: Convert to fraction form
    241,242,472.80/361,863,709.20 = 68,717,041.20/x
  3. Step 3: Cross multiply
    241,242,472.80x = 361,863,709.20 × 68,717,041.20
  4. Step 4: Simplify right side
    241,242,472.80x = 24,866,203,413,881,220
  5. Step 5: Solve for x
    x = 24,866,203,413,881,220/241,242,472.80
  6. Step 6: Final answer
    x = 103,075,561.80

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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.