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Finding the Fourth Proportional to 119,681.57, 179,502.91 and 56,501.57

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Solution

The fourth proportional to 119,681.57, 179,502.91 and 56,501.57 is: 84,743.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,681.57 : 179,502.91 = 56,501.57 : x
  2. Step 2: Convert to fraction form
    119,681.57/179,502.91 = 56,501.57/x
  3. Step 3: Cross multiply
    119,681.57x = 179,502.91 × 56,501.57
  4. Step 4: Simplify right side
    119,681.57x = 10,142,196,542.07
  5. Step 5: Solve for x
    x = 10,142,196,542.07/119,681.57
  6. Step 6: Final answer
    x = 84,743.18

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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.