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Finding the Fourth Proportional to 183,483.55, 253,186.95 and 102,894.40

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Solution

The fourth proportional to 183,483.55, 253,186.95 and 102,894.40 is: 141,982.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,483.55 : 253,186.95 = 102,894.40 : x
  2. Step 2: Convert to fraction form
    183,483.55/253,186.95 = 102,894.40/x
  3. Step 3: Cross multiply
    183,483.55x = 253,186.95 × 102,894.40
  4. Step 4: Simplify right side
    183,483.55x = 26,051,519,308.08
  5. Step 5: Solve for x
    x = 26,051,519,308.08/183,483.55
  6. Step 6: Final answer
    x = 141,982.86

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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.