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Finding the Fourth Proportional to 93,436.32, 140,080.08 and 53,948.64

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Solution

The fourth proportional to 93,436.32, 140,080.08 and 53,948.64 is: 80,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,436.32 : 140,080.08 = 53,948.64 : x
  2. Step 2: Convert to fraction form
    93,436.32/140,080.08 = 53,948.64/x
  3. Step 3: Cross multiply
    93,436.32x = 140,080.08 × 53,948.64
  4. Step 4: Simplify right side
    93,436.32x = 7,557,129,807.09
  5. Step 5: Solve for x
    x = 7,557,129,807.09/93,436.32
  6. Step 6: Final answer
    x = 80,880.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.