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Finding the Fourth Proportional to 208,762.47, 288,092.16 and 118,116.63

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Solution

The fourth proportional to 208,762.47, 288,092.16 and 118,116.63 is: 163,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,762.47 : 288,092.16 = 118,116.63 : x
  2. Step 2: Convert to fraction form
    208,762.47/288,092.16 = 118,116.63/x
  3. Step 3: Cross multiply
    208,762.47x = 288,092.16 × 118,116.63
  4. Step 4: Simplify right side
    208,762.47x = 34,028,475,068.62
  5. Step 5: Solve for x
    x = 34,028,475,068.62/208,762.47
  6. Step 6: Final answer
    x = 163,000.92

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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.