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Finding the Fourth Proportional to 169,911, 234,477.45 and 94,459.50

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Solution

The fourth proportional to 169,911, 234,477.45 and 94,459.50 is: 130,354.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,911 : 234,477.45 = 94,459.50 : x
  2. Step 2: Convert to fraction form
    169,911/234,477.45 = 94,459.50/x
  3. Step 3: Cross multiply
    169,911x = 234,477.45 × 94,459.50
  4. Step 4: Simplify right side
    169,911x = 22,148,622,688.28
  5. Step 5: Solve for x
    x = 22,148,622,688.28/169,911
  6. Step 6: Final answer
    x = 130,354.26

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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.