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Finding the Fourth Proportional to 166,653.34, 249,832.35 and 124,482.51

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Solution

The fourth proportional to 166,653.34, 249,832.35 and 124,482.51 is: 186,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,653.34 : 249,832.35 = 124,482.51 : x
  2. Step 2: Convert to fraction form
    166,653.34/249,832.35 = 124,482.51/x
  3. Step 3: Cross multiply
    166,653.34x = 249,832.35 × 124,482.51
  4. Step 4: Simplify right side
    166,653.34x = 31,099,758,007.20
  5. Step 5: Solve for x
    x = 31,099,758,007.20/166,653.34
  6. Step 6: Final answer
    x = 186,613.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.