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Finding the Fourth Proportional to 144,465.32, 216,566.76 and 65,536.58

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Solution

The fourth proportional to 144,465.32, 216,566.76 and 65,536.58 is: 98,245.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,465.32 : 216,566.76 = 65,536.58 : x
  2. Step 2: Convert to fraction form
    144,465.32/216,566.76 = 65,536.58/x
  3. Step 3: Cross multiply
    144,465.32x = 216,566.76 × 65,536.58
  4. Step 4: Simplify right side
    144,465.32x = 14,193,044,792.08
  5. Step 5: Solve for x
    x = 14,193,044,792.08/144,465.32
  6. Step 6: Final answer
    x = 98,245.34

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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.