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Finding the Fourth Proportional to 189,002.40, 283,503.60 and 163,341.60

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Solution

The fourth proportional to 189,002.40, 283,503.60 and 163,341.60 is: 245,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,002.40 : 283,503.60 = 163,341.60 : x
  2. Step 2: Convert to fraction form
    189,002.40/283,503.60 = 163,341.60/x
  3. Step 3: Cross multiply
    189,002.40x = 283,503.60 × 163,341.60
  4. Step 4: Simplify right side
    189,002.40x = 46,307,931,629.76
  5. Step 5: Solve for x
    x = 46,307,931,629.76/189,002.40
  6. Step 6: Final answer
    x = 245,012.40

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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.