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Finding the Fourth Proportional to 98,023.60, 145,926.86 and 97,440.40

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Solution

The fourth proportional to 98,023.60, 145,926.86 and 97,440.40 is: 145,058.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,023.60 : 145,926.86 = 97,440.40 : x
  2. Step 2: Convert to fraction form
    98,023.60/145,926.86 = 97,440.40/x
  3. Step 3: Cross multiply
    98,023.60x = 145,926.86 × 97,440.40
  4. Step 4: Simplify right side
    98,023.60x = 14,219,171,609.14
  5. Step 5: Solve for x
    x = 14,219,171,609.14/98,023.60
  6. Step 6: Final answer
    x = 145,058.66

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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.