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Finding the Fourth Proportional to 163,602.60, 245,403.90 and 134,442.60

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Solution

The fourth proportional to 163,602.60, 245,403.90 and 134,442.60 is: 201,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,602.60 : 245,403.90 = 134,442.60 : x
  2. Step 2: Convert to fraction form
    163,602.60/245,403.90 = 134,442.60/x
  3. Step 3: Cross multiply
    163,602.60x = 245,403.90 × 134,442.60
  4. Step 4: Simplify right side
    163,602.60x = 32,992,738,366.14
  5. Step 5: Solve for x
    x = 32,992,738,366.14/163,602.60
  6. Step 6: Final answer
    x = 201,663.90

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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.