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Finding the Fourth Proportional to 93,319.72, 140,037.90 and 37,915.72

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Solution

The fourth proportional to 93,319.72, 140,037.90 and 37,915.72 is: 56,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,319.72 : 140,037.90 = 37,915.72 : x
  2. Step 2: Convert to fraction form
    93,319.72/140,037.90 = 37,915.72/x
  3. Step 3: Cross multiply
    93,319.72x = 140,037.90 × 37,915.72
  4. Step 4: Simplify right side
    93,319.72x = 5,309,637,805.79
  5. Step 5: Solve for x
    x = 5,309,637,805.79/93,319.72
  6. Step 6: Final answer
    x = 56,897.28

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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.