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Finding the Fourth Proportional to 94,492.98, 130,405.95 and 54,218.16

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Solution

The fourth proportional to 94,492.98, 130,405.95 and 54,218.16 is: 74,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,492.98 : 130,405.95 = 54,218.16 : x
  2. Step 2: Convert to fraction form
    94,492.98/130,405.95 = 54,218.16/x
  3. Step 3: Cross multiply
    94,492.98x = 130,405.95 × 54,218.16
  4. Step 4: Simplify right side
    94,492.98x = 7,070,370,662.05
  5. Step 5: Solve for x
    x = 7,070,370,662.05/94,492.98
  6. Step 6: Final answer
    x = 74,824.30

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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.