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Finding the Fourth Proportional to 133,931.60, 201,127.80 and 94,763.60

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Solution

The fourth proportional to 133,931.60, 201,127.80 and 94,763.60 is: 142,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,931.60 : 201,127.80 = 94,763.60 : x
  2. Step 2: Convert to fraction form
    133,931.60/201,127.80 = 94,763.60/x
  3. Step 3: Cross multiply
    133,931.60x = 201,127.80 × 94,763.60
  4. Step 4: Simplify right side
    133,931.60x = 19,059,594,388.08
  5. Step 5: Solve for x
    x = 19,059,594,388.08/133,931.60
  6. Step 6: Final answer
    x = 142,308.42

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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.