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Finding the Fourth Proportional to 216,702.34, 325,053.96 and 116,909.53

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Solution

The fourth proportional to 216,702.34, 325,053.96 and 116,909.53 is: 175,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,702.34 : 325,053.96 = 116,909.53 : x
  2. Step 2: Convert to fraction form
    216,702.34/325,053.96 = 116,909.53/x
  3. Step 3: Cross multiply
    216,702.34x = 325,053.96 × 116,909.53
  4. Step 4: Simplify right side
    216,702.34x = 38,001,905,094.81
  5. Step 5: Solve for x
    x = 38,001,905,094.81/216,702.34
  6. Step 6: Final answer
    x = 175,364.54

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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.