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Finding the Fourth Proportional to 99,277.60, 148,916.40 and 59,814.40

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Solution

The fourth proportional to 99,277.60, 148,916.40 and 59,814.40 is: 89,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,277.60 : 148,916.40 = 59,814.40 : x
  2. Step 2: Convert to fraction form
    99,277.60/148,916.40 = 59,814.40/x
  3. Step 3: Cross multiply
    99,277.60x = 148,916.40 × 59,814.40
  4. Step 4: Simplify right side
    99,277.60x = 8,907,345,116.16
  5. Step 5: Solve for x
    x = 8,907,345,116.16/99,277.60
  6. Step 6: Final answer
    x = 89,721.60

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1.5x scale

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.