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Finding the Fourth Proportional to 145,073.95, 200,150.72 and 94,802.11

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Solution

The fourth proportional to 145,073.95, 200,150.72 and 94,802.11 is: 130,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,073.95 : 200,150.72 = 94,802.11 : x
  2. Step 2: Convert to fraction form
    145,073.95/200,150.72 = 94,802.11/x
  3. Step 3: Cross multiply
    145,073.95x = 200,150.72 × 94,802.11
  4. Step 4: Simplify right side
    145,073.95x = 18,974,710,574.02
  5. Step 5: Solve for x
    x = 18,974,710,574.02/145,073.95
  6. Step 6: Final answer
    x = 130,793.37

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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.