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Finding the Fourth Proportional to 96,507, 144,809.87 and 45,963.18

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Solution

The fourth proportional to 96,507, 144,809.87 and 45,963.18 is: 68,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,507 : 144,809.87 = 45,963.18 : x
  2. Step 2: Convert to fraction form
    96,507/144,809.87 = 45,963.18/x
  3. Step 3: Cross multiply
    96,507x = 144,809.87 × 45,963.18
  4. Step 4: Simplify right side
    96,507x = 6,655,921,890.77
  5. Step 5: Solve for x
    x = 6,655,921,890.77/96,507
  6. Step 6: Final answer
    x = 68,968.28

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1.5x scale

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.