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Finding the Fourth Proportional to 102,590.70, 153,886.05 and 58,200.30

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Solution

The fourth proportional to 102,590.70, 153,886.05 and 58,200.30 is: 87,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,590.70 : 153,886.05 = 58,200.30 : x
  2. Step 2: Convert to fraction form
    102,590.70/153,886.05 = 58,200.30/x
  3. Step 3: Cross multiply
    102,590.70x = 153,886.05 × 58,200.30
  4. Step 4: Simplify right side
    102,590.70x = 8,956,214,275.82
  5. Step 5: Solve for x
    x = 8,956,214,275.82/102,590.70
  6. Step 6: Final answer
    x = 87,300.45

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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.