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Finding the Fourth Proportional to 82,026.40, 122,590.08 and 59,886.40

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Solution

The fourth proportional to 82,026.40, 122,590.08 and 59,886.40 is: 89,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,026.40 : 122,590.08 = 59,886.40 : x
  2. Step 2: Convert to fraction form
    82,026.40/122,590.08 = 59,886.40/x
  3. Step 3: Cross multiply
    82,026.40x = 122,590.08 × 59,886.40
  4. Step 4: Simplify right side
    82,026.40x = 7,341,478,566.91
  5. Step 5: Solve for x
    x = 7,341,478,566.91/82,026.40
  6. Step 6: Final answer
    x = 89,501.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.