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Finding the Fourth Proportional to 236,401,586.80, 354,303,781.80 and 114,971,570.80

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Solution

The fourth proportional to 236,401,586.80, 354,303,781.80 and 114,971,570.80 is: 172,312,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,401,586.80 : 354,303,781.80 = 114,971,570.80 : x
  2. Step 2: Convert to fraction form
    236,401,586.80/354,303,781.80 = 114,971,570.80/x
  3. Step 3: Cross multiply
    236,401,586.80x = 354,303,781.80 × 114,971,570.80
  4. Step 4: Simplify right side
    236,401,586.80x = 40,734,862,333,926,448
  5. Step 5: Solve for x
    x = 40,734,862,333,926,448/236,401,586.80
  6. Step 6: Final answer
    x = 172,312,135.82

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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.