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Finding the Fourth Proportional to 181,298.76, 249,304.98 and 157,383.60

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Solution

The fourth proportional to 181,298.76, 249,304.98 and 157,383.60 is: 216,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,298.76 : 249,304.98 = 157,383.60 : x
  2. Step 2: Convert to fraction form
    181,298.76/249,304.98 = 157,383.60/x
  3. Step 3: Cross multiply
    181,298.76x = 249,304.98 × 157,383.60
  4. Step 4: Simplify right side
    181,298.76x = 39,236,515,250.33
  5. Step 5: Solve for x
    x = 39,236,515,250.33/181,298.76
  6. Step 6: Final answer
    x = 216,419.10

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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.