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Finding the Fourth Proportional to 64,830.70, 97,246.05 and 60,894.10

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Solution

The fourth proportional to 64,830.70, 97,246.05 and 60,894.10 is: 91,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,830.70 : 97,246.05 = 60,894.10 : x
  2. Step 2: Convert to fraction form
    64,830.70/97,246.05 = 60,894.10/x
  3. Step 3: Cross multiply
    64,830.70x = 97,246.05 × 60,894.10
  4. Step 4: Simplify right side
    64,830.70x = 5,921,710,693.31
  5. Step 5: Solve for x
    x = 5,921,710,693.31/64,830.70
  6. Step 6: Final answer
    x = 91,341.15

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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.