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Finding the Fourth Proportional to 93,816.60, 129,463.02 and 51,374.40

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Solution

The fourth proportional to 93,816.60, 129,463.02 and 51,374.40 is: 70,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,816.60 : 129,463.02 = 51,374.40 : x
  2. Step 2: Convert to fraction form
    93,816.60/129,463.02 = 51,374.40/x
  3. Step 3: Cross multiply
    93,816.60x = 129,463.02 × 51,374.40
  4. Step 4: Simplify right side
    93,816.60x = 6,651,084,974.69
  5. Step 5: Solve for x
    x = 6,651,084,974.69/93,816.60
  6. Step 6: Final answer
    x = 70,894.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.