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Finding the Fourth Proportional to 98,032.60, 145,940.27 and 97,449.40

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Solution

The fourth proportional to 98,032.60, 145,940.27 and 97,449.40 is: 145,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,032.60 : 145,940.27 = 97,449.40 : x
  2. Step 2: Convert to fraction form
    98,032.60/145,940.27 = 97,449.40/x
  3. Step 3: Cross multiply
    98,032.60x = 145,940.27 × 97,449.40
  4. Step 4: Simplify right side
    98,032.60x = 14,221,791,747.34
  5. Step 5: Solve for x
    x = 14,221,791,747.34/98,032.60
  6. Step 6: Final answer
    x = 145,072.07

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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.