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Finding the Fourth Proportional to 93,313,295.80, 139,969,943.70 and 42,294,959.80

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Solution

The fourth proportional to 93,313,295.80, 139,969,943.70 and 42,294,959.80 is: 63,442,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,313,295.80 : 139,969,943.70 = 42,294,959.80 : x
  2. Step 2: Convert to fraction form
    93,313,295.80/139,969,943.70 = 42,294,959.80/x
  3. Step 3: Cross multiply
    93,313,295.80x = 139,969,943.70 × 42,294,959.80
  4. Step 4: Simplify right side
    93,313,295.80x = 5,920,023,141,999,762
  5. Step 5: Solve for x
    x = 5,920,023,141,999,762/93,313,295.80
  6. Step 6: Final answer
    x = 63,442,439.70

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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.