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Finding the Fourth Proportional to 236,838.64, 355,510.86 and 101,969.50

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Solution

The fourth proportional to 236,838.64, 355,510.86 and 101,969.50 is: 153,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,838.64 : 355,510.86 = 101,969.50 : x
  2. Step 2: Convert to fraction form
    236,838.64/355,510.86 = 101,969.50/x
  3. Step 3: Cross multiply
    236,838.64x = 355,510.86 × 101,969.50
  4. Step 4: Simplify right side
    236,838.64x = 36,251,264,638.77
  5. Step 5: Solve for x
    x = 36,251,264,638.77/236,838.64
  6. Step 6: Final answer
    x = 153,063.13

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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.