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Finding the Fourth Proportional to 214,455.80, 295,925.13 and 118,938.56

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Solution

The fourth proportional to 214,455.80, 295,925.13 and 118,938.56 is: 164,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,455.80 : 295,925.13 = 118,938.56 : x
  2. Step 2: Convert to fraction form
    214,455.80/295,925.13 = 118,938.56/x
  3. Step 3: Cross multiply
    214,455.80x = 295,925.13 × 118,938.56
  4. Step 4: Simplify right side
    214,455.80x = 35,196,908,830.01
  5. Step 5: Solve for x
    x = 35,196,908,830.01/214,455.80
  6. Step 6: Final answer
    x = 164,121.97

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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.