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Finding the Fourth Proportional to 93,359.04, 128,833.92 and 50,915.04

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Solution

The fourth proportional to 93,359.04, 128,833.92 and 50,915.04 is: 70,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,359.04 : 128,833.92 = 50,915.04 : x
  2. Step 2: Convert to fraction form
    93,359.04/128,833.92 = 50,915.04/x
  3. Step 3: Cross multiply
    93,359.04x = 128,833.92 × 50,915.04
  4. Step 4: Simplify right side
    93,359.04x = 6,559,584,190.16
  5. Step 5: Solve for x
    x = 6,559,584,190.16/93,359.04
  6. Step 6: Final answer
    x = 70,261.91

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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.