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Finding the Fourth Proportional to 248,213.34, 342,533.34 and 135,038.52

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Solution

The fourth proportional to 248,213.34, 342,533.34 and 135,038.52 is: 186,352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,213.34 : 342,533.34 = 135,038.52 : x
  2. Step 2: Convert to fraction form
    248,213.34/342,533.34 = 135,038.52/x
  3. Step 3: Cross multiply
    248,213.34x = 342,533.34 × 135,038.52
  4. Step 4: Simplify right side
    248,213.34x = 46,255,195,284.26
  5. Step 5: Solve for x
    x = 46,255,195,284.26/248,213.34
  6. Step 6: Final answer
    x = 186,352.58

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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.