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Finding the Fourth Proportional to 161,833.95, 223,357.16 and 97,368.35

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Solution

The fourth proportional to 161,833.95, 223,357.16 and 97,368.35 is: 134,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,833.95 : 223,357.16 = 97,368.35 : x
  2. Step 2: Convert to fraction form
    161,833.95/223,357.16 = 97,368.35/x
  3. Step 3: Cross multiply
    161,833.95x = 223,357.16 × 97,368.35
  4. Step 4: Simplify right side
    161,833.95x = 21,747,917,492.75
  5. Step 5: Solve for x
    x = 21,747,917,492.75/161,833.95
  6. Step 6: Final answer
    x = 134,384.15

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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.