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Finding the Fourth Proportional to 94,884, 130,934.84 and 52,440

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Solution

The fourth proportional to 94,884, 130,934.84 and 52,440 is: 72,364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,884 : 130,934.84 = 52,440 : x
  2. Step 2: Convert to fraction form
    94,884/130,934.84 = 52,440/x
  3. Step 3: Cross multiply
    94,884x = 130,934.84 × 52,440
  4. Step 4: Simplify right side
    94,884x = 6,866,223,009.60
  5. Step 5: Solve for x
    x = 6,866,223,009.60/94,884
  6. Step 6: Final answer
    x = 72,364.39

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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.