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Finding the Fourth Proportional to 133,574.40, 184,258.80 and 91,195.20

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Solution

The fourth proportional to 133,574.40, 184,258.80 and 91,195.20 is: 125,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,574.40 : 184,258.80 = 91,195.20 : x
  2. Step 2: Convert to fraction form
    133,574.40/184,258.80 = 91,195.20/x
  3. Step 3: Cross multiply
    133,574.40x = 184,258.80 × 91,195.20
  4. Step 4: Simplify right side
    133,574.40x = 16,803,518,117.76
  5. Step 5: Solve for x
    x = 16,803,518,117.76/133,574.40
  6. Step 6: Final answer
    x = 125,798.94

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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.