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Finding the Fourth Proportional to 163,395.40, 245,093.10 and 93,281.80

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Solution

The fourth proportional to 163,395.40, 245,093.10 and 93,281.80 is: 139,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,395.40 : 245,093.10 = 93,281.80 : x
  2. Step 2: Convert to fraction form
    163,395.40/245,093.10 = 93,281.80/x
  3. Step 3: Cross multiply
    163,395.40x = 245,093.10 × 93,281.80
  4. Step 4: Simplify right side
    163,395.40x = 22,862,725,535.58
  5. Step 5: Solve for x
    x = 22,862,725,535.58/163,395.40
  6. Step 6: Final answer
    x = 139,922.70

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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.