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Finding the Fourth Proportional to 96,585.40, 144,762.90 and 49,814.20

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Solution

The fourth proportional to 96,585.40, 144,762.90 and 49,814.20 is: 74,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,585.40 : 144,762.90 = 49,814.20 : x
  2. Step 2: Convert to fraction form
    96,585.40/144,762.90 = 49,814.20/x
  3. Step 3: Cross multiply
    96,585.40x = 144,762.90 × 49,814.20
  4. Step 4: Simplify right side
    96,585.40x = 7,211,248,053.18
  5. Step 5: Solve for x
    x = 7,211,248,053.18/96,585.40
  6. Step 6: Final answer
    x = 74,661.89

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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.