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Finding the Fourth Proportional to 151,368.75, 208,888.88 and 84,300.75

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Solution

The fourth proportional to 151,368.75, 208,888.88 and 84,300.75 is: 116,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,368.75 : 208,888.88 = 84,300.75 : x
  2. Step 2: Convert to fraction form
    151,368.75/208,888.88 = 84,300.75/x
  3. Step 3: Cross multiply
    151,368.75x = 208,888.88 × 84,300.75
  4. Step 4: Simplify right side
    151,368.75x = 17,609,488,829.16
  5. Step 5: Solve for x
    x = 17,609,488,829.16/151,368.75
  6. Step 6: Final answer
    x = 116,335.04

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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.