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Finding the Fourth Proportional to 241,863.60, 333,678.72 and 155,816.10

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Solution

The fourth proportional to 241,863.60, 333,678.72 and 155,816.10 is: 214,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,863.60 : 333,678.72 = 155,816.10 : x
  2. Step 2: Convert to fraction form
    241,863.60/333,678.72 = 155,816.10/x
  3. Step 3: Cross multiply
    241,863.60x = 333,678.72 × 155,816.10
  4. Step 4: Simplify right side
    241,863.60x = 51,992,516,803.39
  5. Step 5: Solve for x
    x = 51,992,516,803.39/241,863.60
  6. Step 6: Final answer
    x = 214,966.27

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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.