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Finding the Fourth Proportional to 250,955.16, 346,165.80 and 148,913.34

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Solution

The fourth proportional to 250,955.16, 346,165.80 and 148,913.34 is: 205,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,955.16 : 346,165.80 = 148,913.34 : x
  2. Step 2: Convert to fraction form
    250,955.16/346,165.80 = 148,913.34/x
  3. Step 3: Cross multiply
    250,955.16x = 346,165.80 × 148,913.34
  4. Step 4: Simplify right side
    250,955.16x = 51,548,705,471.77
  5. Step 5: Solve for x
    x = 51,548,705,471.77/250,955.16
  6. Step 6: Final answer
    x = 205,410.02

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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.