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Finding the Fourth Proportional to 265,081.80, 365,809.93 and 157,653.63

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Solution

The fourth proportional to 265,081.80, 365,809.93 and 157,653.63 is: 217,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,081.80 : 365,809.93 = 157,653.63 : x
  2. Step 2: Convert to fraction form
    265,081.80/365,809.93 = 157,653.63/x
  3. Step 3: Cross multiply
    265,081.80x = 365,809.93 × 157,653.63
  4. Step 4: Simplify right side
    265,081.80x = 57,671,263,354.55
  5. Step 5: Solve for x
    x = 57,671,263,354.55/265,081.80
  6. Step 6: Final answer
    x = 217,560.25

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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.