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Finding the Fourth Proportional to 94,640,710.80, 142,024,051.80 and 53,700,070.80

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Solution

The fourth proportional to 94,640,710.80, 142,024,051.80 and 53,700,070.80 is: 80,585,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,640,710.80 : 142,024,051.80 = 53,700,070.80 : x
  2. Step 2: Convert to fraction form
    94,640,710.80/142,024,051.80 = 53,700,070.80/x
  3. Step 3: Cross multiply
    94,640,710.80x = 142,024,051.80 × 53,700,070.80
  4. Step 4: Simplify right side
    94,640,710.80x = 7,626,701,636,962,868
  5. Step 5: Solve for x
    x = 7,626,701,636,962,868/94,640,710.80
  6. Step 6: Final answer
    x = 80,585,844.85

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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.