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Finding the Fourth Proportional to 235,038.48, 352,512.60 and 66,518.10

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Solution

The fourth proportional to 235,038.48, 352,512.60 and 66,518.10 is: 99,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,038.48 : 352,512.60 = 66,518.10 : x
  2. Step 2: Convert to fraction form
    235,038.48/352,512.60 = 66,518.10/x
  3. Step 3: Cross multiply
    235,038.48x = 352,512.60 × 66,518.10
  4. Step 4: Simplify right side
    235,038.48x = 23,448,468,378.06
  5. Step 5: Solve for x
    x = 23,448,468,378.06/235,038.48
  6. Step 6: Final answer
    x = 99,764.38

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1.5x scale

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.