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Finding the Fourth Proportional to 93,417.50, 140,181.60 and 87,506.79

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Solution

The fourth proportional to 93,417.50, 140,181.60 and 87,506.79 is: 131,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,417.50 : 140,181.60 = 87,506.79 : x
  2. Step 2: Convert to fraction form
    93,417.50/140,181.60 = 87,506.79/x
  3. Step 3: Cross multiply
    93,417.50x = 140,181.60 × 87,506.79
  4. Step 4: Simplify right side
    93,417.50x = 12,266,841,833.06
  5. Step 5: Solve for x
    x = 12,266,841,833.06/93,417.50
  6. Step 6: Final answer
    x = 131,312.04

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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.