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Finding the Fourth Proportional to 162,020.61, 223,583.22 and 88,430.22

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Solution

The fourth proportional to 162,020.61, 223,583.22 and 88,430.22 is: 122,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,020.61 : 223,583.22 = 88,430.22 : x
  2. Step 2: Convert to fraction form
    162,020.61/223,583.22 = 88,430.22/x
  3. Step 3: Cross multiply
    162,020.61x = 223,583.22 × 88,430.22
  4. Step 4: Simplify right side
    162,020.61x = 19,771,513,332.91
  5. Step 5: Solve for x
    x = 19,771,513,332.91/162,020.61
  6. Step 6: Final answer
    x = 122,030.85

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Double scale
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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.