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Finding the Fourth Proportional to 180,883.50, 249,619.23 and 101,395.50

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Solution

The fourth proportional to 180,883.50, 249,619.23 and 101,395.50 is: 139,925.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,883.50 : 249,619.23 = 101,395.50 : x
  2. Step 2: Convert to fraction form
    180,883.50/249,619.23 = 101,395.50/x
  3. Step 3: Cross multiply
    180,883.50x = 249,619.23 × 101,395.50
  4. Step 4: Simplify right side
    180,883.50x = 25,310,266,635.47
  5. Step 5: Solve for x
    x = 25,310,266,635.47/180,883.50
  6. Step 6: Final answer
    x = 139,925.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.