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Finding the Fourth Proportional to 241,411.80, 362,117.70 and 129,437.40

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Solution

The fourth proportional to 241,411.80, 362,117.70 and 129,437.40 is: 194,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,411.80 : 362,117.70 = 129,437.40 : x
  2. Step 2: Convert to fraction form
    241,411.80/362,117.70 = 129,437.40/x
  3. Step 3: Cross multiply
    241,411.80x = 362,117.70 × 129,437.40
  4. Step 4: Simplify right side
    241,411.80x = 46,871,573,581.98
  5. Step 5: Solve for x
    x = 46,871,573,581.98/241,411.80
  6. Step 6: Final answer
    x = 194,156.10

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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.