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Finding the Fourth Proportional to 58,970.70, 88,248.29 and 48,312.72

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Solution

The fourth proportional to 58,970.70, 88,248.29 and 48,312.72 is: 72,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,970.70 : 88,248.29 = 48,312.72 : x
  2. Step 2: Convert to fraction form
    58,970.70/88,248.29 = 48,312.72/x
  3. Step 3: Cross multiply
    58,970.70x = 88,248.29 × 48,312.72
  4. Step 4: Simplify right side
    58,970.70x = 4,263,514,683.69
  5. Step 5: Solve for x
    x = 4,263,514,683.69/58,970.70
  6. Step 6: Final answer
    x = 72,298.87

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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.