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Finding the Fourth Proportional to 88,466.10, 132,699.15 and 70,970.10

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Solution

The fourth proportional to 88,466.10, 132,699.15 and 70,970.10 is: 106,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,466.10 : 132,699.15 = 70,970.10 : x
  2. Step 2: Convert to fraction form
    88,466.10/132,699.15 = 70,970.10/x
  3. Step 3: Cross multiply
    88,466.10x = 132,699.15 × 70,970.10
  4. Step 4: Simplify right side
    88,466.10x = 9,417,671,945.42
  5. Step 5: Solve for x
    x = 9,417,671,945.42/88,466.10
  6. Step 6: Final answer
    x = 106,455.15

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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.