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Finding the Fourth Proportional to 93,873.34, 139,972.66 and 83,441.34

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Solution

The fourth proportional to 93,873.34, 139,972.66 and 83,441.34 is: 124,417.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,873.34 : 139,972.66 = 83,441.34 : x
  2. Step 2: Convert to fraction form
    93,873.34/139,972.66 = 83,441.34/x
  3. Step 3: Cross multiply
    93,873.34x = 139,972.66 × 83,441.34
  4. Step 4: Simplify right side
    93,873.34x = 11,679,506,313.76
  5. Step 5: Solve for x
    x = 11,679,506,313.76/93,873.34
  6. Step 6: Final answer
    x = 124,417.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.