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Finding the Fourth Proportional to 230,356.71, 317,783.61 and 134,804.25

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Solution

The fourth proportional to 230,356.71, 317,783.61 and 134,804.25 is: 185,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,356.71 : 317,783.61 = 134,804.25 : x
  2. Step 2: Convert to fraction form
    230,356.71/317,783.61 = 134,804.25/x
  3. Step 3: Cross multiply
    230,356.71x = 317,783.61 × 134,804.25
  4. Step 4: Simplify right side
    230,356.71x = 42,838,581,208.34
  5. Step 5: Solve for x
    x = 42,838,581,208.34/230,356.71
  6. Step 6: Final answer
    x = 185,966.28

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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.