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Finding the Fourth Proportional to 170,486.94, 235,284.80 and 98,866.34

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Solution

The fourth proportional to 170,486.94, 235,284.80 and 98,866.34 is: 136,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,486.94 : 235,284.80 = 98,866.34 : x
  2. Step 2: Convert to fraction form
    170,486.94/235,284.80 = 98,866.34/x
  3. Step 3: Cross multiply
    170,486.94x = 235,284.80 × 98,866.34
  4. Step 4: Simplify right side
    170,486.94x = 23,261,745,362.88
  5. Step 5: Solve for x
    x = 23,261,745,362.88/170,486.94
  6. Step 6: Final answer
    x = 136,442.98

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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.