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Finding the Fourth Proportional to 99,097.38, 148,668.77 and 42,946.91

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Solution

The fourth proportional to 99,097.38, 148,668.77 and 42,946.91 is: 64,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,097.38 : 148,668.77 = 42,946.91 : x
  2. Step 2: Convert to fraction form
    99,097.38/148,668.77 = 42,946.91/x
  3. Step 3: Cross multiply
    99,097.38x = 148,668.77 × 42,946.91
  4. Step 4: Simplify right side
    99,097.38x = 6,384,863,326.92
  5. Step 5: Solve for x
    x = 6,384,863,326.92/99,097.38
  6. Step 6: Final answer
    x = 64,430.19

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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.