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Finding the Fourth Proportional to 132,803.84, 183,264.71 and 72,373.25

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Solution

The fourth proportional to 132,803.84, 183,264.71 and 72,373.25 is: 99,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,803.84 : 183,264.71 = 72,373.25 : x
  2. Step 2: Convert to fraction form
    132,803.84/183,264.71 = 72,373.25/x
  3. Step 3: Cross multiply
    132,803.84x = 183,264.71 × 72,373.25
  4. Step 4: Simplify right side
    132,803.84x = 13,263,461,394.82
  5. Step 5: Solve for x
    x = 13,263,461,394.82/132,803.84
  6. Step 6: Final answer
    x = 99,872.58

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1.5x scale

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.