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Finding the Fourth Proportional to 252,339.58, 348,236.40 and 144,931.15

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Solution

The fourth proportional to 252,339.58, 348,236.40 and 144,931.15 is: 200,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,339.58 : 348,236.40 = 144,931.15 : x
  2. Step 2: Convert to fraction form
    252,339.58/348,236.40 = 144,931.15/x
  3. Step 3: Cross multiply
    252,339.58x = 348,236.40 × 144,931.15
  4. Step 4: Simplify right side
    252,339.58x = 50,470,302,087.41
  5. Step 5: Solve for x
    x = 50,470,302,087.41/252,339.58
  6. Step 6: Final answer
    x = 200,009.45

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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.