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Finding the Fourth Proportional to 191,373.40, 286,379.70 and 166,684.60

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Solution

The fourth proportional to 191,373.40, 286,379.70 and 166,684.60 is: 249,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,373.40 : 286,379.70 = 166,684.60 : x
  2. Step 2: Convert to fraction form
    191,373.40/286,379.70 = 166,684.60/x
  3. Step 3: Cross multiply
    191,373.40x = 286,379.70 × 166,684.60
  4. Step 4: Simplify right side
    191,373.40x = 47,735,085,742.62
  5. Step 5: Solve for x
    x = 47,735,085,742.62/191,373.40
  6. Step 6: Final answer
    x = 249,434.28

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1.5x scale

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.