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Finding the Fourth Proportional to 70,614.58, 97,407.44 and 42,303.86

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Solution

The fourth proportional to 70,614.58, 97,407.44 and 42,303.86 is: 58,354.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,614.58 : 97,407.44 = 42,303.86 : x
  2. Step 2: Convert to fraction form
    70,614.58/97,407.44 = 42,303.86/x
  3. Step 3: Cross multiply
    70,614.58x = 97,407.44 × 42,303.86
  4. Step 4: Simplify right side
    70,614.58x = 4,120,710,895.36
  5. Step 5: Solve for x
    x = 4,120,710,895.36/70,614.58
  6. Step 6: Final answer
    x = 58,354.96

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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.