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Finding the Fourth Proportional to 64,582.90, 89,154.68 and 43,108.93

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Solution

The fourth proportional to 64,582.90, 89,154.68 and 43,108.93 is: 59,510.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,582.90 : 89,154.68 = 43,108.93 : x
  2. Step 2: Convert to fraction form
    64,582.90/89,154.68 = 43,108.93/x
  3. Step 3: Cross multiply
    64,582.90x = 89,154.68 × 43,108.93
  4. Step 4: Simplify right side
    64,582.90x = 3,843,362,253.70
  5. Step 5: Solve for x
    x = 3,843,362,253.70/64,582.90
  6. Step 6: Final answer
    x = 59,510.52

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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.