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Finding the Fourth Proportional to 93,830.99, 129,454.60 and 53,515.76

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Solution

The fourth proportional to 93,830.99, 129,454.60 and 53,515.76 is: 73,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,830.99 : 129,454.60 = 53,515.76 : x
  2. Step 2: Convert to fraction form
    93,830.99/129,454.60 = 53,515.76/x
  3. Step 3: Cross multiply
    93,830.99x = 129,454.60 × 53,515.76
  4. Step 4: Simplify right side
    93,830.99x = 6,927,861,036.92
  5. Step 5: Solve for x
    x = 6,927,861,036.92/93,830.99
  6. Step 6: Final answer
    x = 73,833.40

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1.5x scale

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.