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Finding the Fourth Proportional to 282,492.60, 423,393.30 and 124,553.40

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Solution

The fourth proportional to 282,492.60, 423,393.30 and 124,553.40 is: 186,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,492.60 : 423,393.30 = 124,553.40 : x
  2. Step 2: Convert to fraction form
    282,492.60/423,393.30 = 124,553.40/x
  3. Step 3: Cross multiply
    282,492.60x = 423,393.30 × 124,553.40
  4. Step 4: Simplify right side
    282,492.60x = 52,735,075,052.22
  5. Step 5: Solve for x
    x = 52,735,075,052.22/282,492.60
  6. Step 6: Final answer
    x = 186,677.72

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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.