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Finding the Fourth Proportional to 167,018.40, 249,944.40 and 114,530.40

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Solution

The fourth proportional to 167,018.40, 249,944.40 and 114,530.40 is: 171,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,018.40 : 249,944.40 = 114,530.40 : x
  2. Step 2: Convert to fraction form
    167,018.40/249,944.40 = 114,530.40/x
  3. Step 3: Cross multiply
    167,018.40x = 249,944.40 × 114,530.40
  4. Step 4: Simplify right side
    167,018.40x = 28,626,232,109.76
  5. Step 5: Solve for x
    x = 28,626,232,109.76/167,018.40
  6. Step 6: Final answer
    x = 171,395.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.