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Finding the Fourth Proportional to 64,966.70, 97,450.05 and 61,030.10

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Solution

The fourth proportional to 64,966.70, 97,450.05 and 61,030.10 is: 91,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,966.70 : 97,450.05 = 61,030.10 : x
  2. Step 2: Convert to fraction form
    64,966.70/97,450.05 = 61,030.10/x
  3. Step 3: Cross multiply
    64,966.70x = 97,450.05 × 61,030.10
  4. Step 4: Simplify right side
    64,966.70x = 5,947,386,296.51
  5. Step 5: Solve for x
    x = 5,947,386,296.51/64,966.70
  6. Step 6: Final answer
    x = 91,545.15

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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.