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Finding the Fourth Proportional to 183,483.74, 252,973.14 and 118,838.90

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Solution

The fourth proportional to 183,483.74, 252,973.14 and 118,838.90 is: 163,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,483.74 : 252,973.14 = 118,838.90 : x
  2. Step 2: Convert to fraction form
    183,483.74/252,973.14 = 118,838.90/x
  3. Step 3: Cross multiply
    183,483.74x = 252,973.14 × 118,838.90
  4. Step 4: Simplify right side
    183,483.74x = 30,063,048,422.28
  5. Step 5: Solve for x
    x = 30,063,048,422.28/183,483.74
  6. Step 6: Final answer
    x = 163,845.85

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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.