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Finding the Fourth Proportional to 163,345.50, 224,716.95 and 156,347.10

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Solution

The fourth proportional to 163,345.50, 224,716.95 and 156,347.10 is: 215,089.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,345.50 : 224,716.95 = 156,347.10 : x
  2. Step 2: Convert to fraction form
    163,345.50/224,716.95 = 156,347.10/x
  3. Step 3: Cross multiply
    163,345.50x = 224,716.95 × 156,347.10
  4. Step 4: Simplify right side
    163,345.50x = 35,133,843,453.35
  5. Step 5: Solve for x
    x = 35,133,843,453.35/163,345.50
  6. Step 6: Final answer
    x = 215,089.14

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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.