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Finding the Fourth Proportional to 166,565.40, 249,848.10 and 61,370.70

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Solution

The fourth proportional to 166,565.40, 249,848.10 and 61,370.70 is: 92,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,565.40 : 249,848.10 = 61,370.70 : x
  2. Step 2: Convert to fraction form
    166,565.40/249,848.10 = 61,370.70/x
  3. Step 3: Cross multiply
    166,565.40x = 249,848.10 × 61,370.70
  4. Step 4: Simplify right side
    166,565.40x = 15,333,352,790.67
  5. Step 5: Solve for x
    x = 15,333,352,790.67/166,565.40
  6. Step 6: Final answer
    x = 92,056.05

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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.