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Finding the Fourth Proportional to 93,913.65, 140,870.46 and 56,899.89

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Solution

The fourth proportional to 93,913.65, 140,870.46 and 56,899.89 is: 85,349.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,913.65 : 140,870.46 = 56,899.89 : x
  2. Step 2: Convert to fraction form
    93,913.65/140,870.46 = 56,899.89/x
  3. Step 3: Cross multiply
    93,913.65x = 140,870.46 × 56,899.89
  4. Step 4: Simplify right side
    93,913.65x = 8,015,513,678.25
  5. Step 5: Solve for x
    x = 8,015,513,678.25/93,913.65
  6. Step 6: Final answer
    x = 85,349.83

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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.