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Finding the Fourth Proportional to 181,223.60, 249,987.82 and 168,394.28

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Solution

The fourth proportional to 181,223.60, 249,987.82 and 168,394.28 is: 232,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,223.60 : 249,987.82 = 168,394.28 : x
  2. Step 2: Convert to fraction form
    181,223.60/249,987.82 = 168,394.28/x
  3. Step 3: Cross multiply
    181,223.60x = 249,987.82 × 168,394.28
  4. Step 4: Simplify right side
    181,223.60x = 42,096,518,957.67
  5. Step 5: Solve for x
    x = 42,096,518,957.67/181,223.60
  6. Step 6: Final answer
    x = 232,290.49

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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.