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Finding the Fourth Proportional to 192,392.40, 265,329.60 and 120,779.08

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Solution

The fourth proportional to 192,392.40, 265,329.60 and 120,779.08 is: 166,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,392.40 : 265,329.60 = 120,779.08 : x
  2. Step 2: Convert to fraction form
    192,392.40/265,329.60 = 120,779.08/x
  3. Step 3: Cross multiply
    192,392.40x = 265,329.60 × 120,779.08
  4. Step 4: Simplify right side
    192,392.40x = 32,046,264,984.77
  5. Step 5: Solve for x
    x = 32,046,264,984.77/192,392.40
  6. Step 6: Final answer
    x = 166,567.21

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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.