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Finding the Fourth Proportional to 93,312,143.20, 139,968,214.80 and 25,152,392.80

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Solution

The fourth proportional to 93,312,143.20, 139,968,214.80 and 25,152,392.80 is: 37,728,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,143.20 : 139,968,214.80 = 25,152,392.80 : x
  2. Step 2: Convert to fraction form
    93,312,143.20/139,968,214.80 = 25,152,392.80/x
  3. Step 3: Cross multiply
    93,312,143.20x = 139,968,214.80 × 25,152,392.80
  4. Step 4: Simplify right side
    93,312,143.20x = 3,520,535,518,164,374
  5. Step 5: Solve for x
    x = 3,520,535,518,164,374/93,312,143.20
  6. Step 6: Final answer
    x = 37,728,589.20

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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.