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Finding the Fourth Proportional to 109,154.40, 163,731.60 and 96,032.40

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Solution

The fourth proportional to 109,154.40, 163,731.60 and 96,032.40 is: 144,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,154.40 : 163,731.60 = 96,032.40 : x
  2. Step 2: Convert to fraction form
    109,154.40/163,731.60 = 96,032.40/x
  3. Step 3: Cross multiply
    109,154.40x = 163,731.60 × 96,032.40
  4. Step 4: Simplify right side
    109,154.40x = 15,723,538,503.84
  5. Step 5: Solve for x
    x = 15,723,538,503.84/109,154.40
  6. Step 6: Final answer
    x = 144,048.60

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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.