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Finding the Fourth Proportional to 94,518, 130,453.65 and 54,258.84

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Solution

The fourth proportional to 94,518, 130,453.65 and 54,258.84 is: 74,888.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,518 : 130,453.65 = 54,258.84 : x
  2. Step 2: Convert to fraction form
    94,518/130,453.65 = 54,258.84/x
  3. Step 3: Cross multiply
    94,518x = 130,453.65 × 54,258.84
  4. Step 4: Simplify right side
    94,518x = 7,078,263,722.77
  5. Step 5: Solve for x
    x = 7,078,263,722.77/94,518
  6. Step 6: Final answer
    x = 74,888.00

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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.