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Finding the Fourth Proportional to 94,984,535.20, 142,476,802.80 and 89,693,744.80

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Solution

The fourth proportional to 94,984,535.20, 142,476,802.80 and 89,693,744.80 is: 134,540,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,984,535.20 : 142,476,802.80 = 89,693,744.80 : x
  2. Step 2: Convert to fraction form
    94,984,535.20/142,476,802.80 = 89,693,744.80/x
  3. Step 3: Cross multiply
    94,984,535.20x = 142,476,802.80 × 89,693,744.80
  4. Step 4: Simplify right side
    94,984,535.20x = 12,779,277,990,263,126
  5. Step 5: Solve for x
    x = 12,779,277,990,263,126/94,984,535.20
  6. Step 6: Final answer
    x = 134,540,617.20

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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.