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Finding the Fourth Proportional to 170,835.30, 256,252.95 and 168,210.90

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Solution

The fourth proportional to 170,835.30, 256,252.95 and 168,210.90 is: 252,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,835.30 : 256,252.95 = 168,210.90 : x
  2. Step 2: Convert to fraction form
    170,835.30/256,252.95 = 168,210.90/x
  3. Step 3: Cross multiply
    170,835.30x = 256,252.95 × 168,210.90
  4. Step 4: Simplify right side
    170,835.30x = 43,104,539,347.16
  5. Step 5: Solve for x
    x = 43,104,539,347.16/170,835.30
  6. Step 6: Final answer
    x = 252,316.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.