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Finding the Fourth Proportional to 93,247.98, 139,872.93 and 74,646.26

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Solution

The fourth proportional to 93,247.98, 139,872.93 and 74,646.26 is: 111,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,247.98 : 139,872.93 = 74,646.26 : x
  2. Step 2: Convert to fraction form
    93,247.98/139,872.93 = 74,646.26/x
  3. Step 3: Cross multiply
    93,247.98x = 139,872.93 × 74,646.26
  4. Step 4: Simplify right side
    93,247.98x = 10,440,990,400.38
  5. Step 5: Solve for x
    x = 10,440,990,400.38/93,247.98
  6. Step 6: Final answer
    x = 111,970.15

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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.