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Finding the Fourth Proportional to 250,775.34, 346,018.80 and 148,756.11

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Solution

The fourth proportional to 250,775.34, 346,018.80 and 148,756.11 is: 205,253.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,775.34 : 346,018.80 = 148,756.11 : x
  2. Step 2: Convert to fraction form
    250,775.34/346,018.80 = 148,756.11/x
  3. Step 3: Cross multiply
    250,775.34x = 346,018.80 × 148,756.11
  4. Step 4: Simplify right side
    250,775.34x = 51,472,410,674.87
  5. Step 5: Solve for x
    x = 51,472,410,674.87/250,775.34
  6. Step 6: Final answer
    x = 205,253.08

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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.