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Finding the Fourth Proportional to 97,575.72, 134,669.03 and 59,341.50

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Solution

The fourth proportional to 97,575.72, 134,669.03 and 59,341.50 is: 81,900.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,575.72 : 134,669.03 = 59,341.50 : x
  2. Step 2: Convert to fraction form
    97,575.72/134,669.03 = 59,341.50/x
  3. Step 3: Cross multiply
    97,575.72x = 134,669.03 × 59,341.50
  4. Step 4: Simplify right side
    97,575.72x = 7,991,461,947.04
  5. Step 5: Solve for x
    x = 7,991,461,947.04/97,575.72
  6. Step 6: Final answer
    x = 81,900.11

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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.