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Finding the Fourth Proportional to 93,470.98, 139,491.11 and 83,498.26

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Solution

The fourth proportional to 93,470.98, 139,491.11 and 83,498.26 is: 124,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,470.98 : 139,491.11 = 83,498.26 : x
  2. Step 2: Convert to fraction form
    93,470.98/139,491.11 = 83,498.26/x
  3. Step 3: Cross multiply
    93,470.98x = 139,491.11 × 83,498.26
  4. Step 4: Simplify right side
    93,470.98x = 11,647,264,970.47
  5. Step 5: Solve for x
    x = 11,647,264,970.47/93,470.98
  6. Step 6: Final answer
    x = 124,608.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.