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Finding the Fourth Proportional to 145,611.49, 201,005.85 and 97,892.52

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Solution

The fourth proportional to 145,611.49, 201,005.85 and 97,892.52 is: 135,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,611.49 : 201,005.85 = 97,892.52 : x
  2. Step 2: Convert to fraction form
    145,611.49/201,005.85 = 97,892.52/x
  3. Step 3: Cross multiply
    145,611.49x = 201,005.85 × 97,892.52
  4. Step 4: Simplify right side
    145,611.49x = 19,676,968,804.57
  5. Step 5: Solve for x
    x = 19,676,968,804.57/145,611.49
  6. Step 6: Final answer
    x = 135,133.35

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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.