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Finding the Fourth Proportional to 223,477.63, 308,355.01 and 125,364.13

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Solution

The fourth proportional to 223,477.63, 308,355.01 and 125,364.13 is: 172,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,477.63 : 308,355.01 = 125,364.13 : x
  2. Step 2: Convert to fraction form
    223,477.63/308,355.01 = 125,364.13/x
  3. Step 3: Cross multiply
    223,477.63x = 308,355.01 × 125,364.13
  4. Step 4: Simplify right side
    223,477.63x = 38,656,657,559.79
  5. Step 5: Solve for x
    x = 38,656,657,559.79/223,477.63
  6. Step 6: Final answer
    x = 172,977.75

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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.