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Finding the Fourth Proportional to 93,304.34, 128,759.99 and 50,862.90

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Solution

The fourth proportional to 93,304.34, 128,759.99 and 50,862.90 is: 70,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,304.34 : 128,759.99 = 50,862.90 : x
  2. Step 2: Convert to fraction form
    93,304.34/128,759.99 = 50,862.90/x
  3. Step 3: Cross multiply
    93,304.34x = 128,759.99 × 50,862.90
  4. Step 4: Simplify right side
    93,304.34x = 6,549,106,241.06
  5. Step 5: Solve for x
    x = 6,549,106,241.06/93,304.34
  6. Step 6: Final answer
    x = 70,190.80

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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.