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Finding the Fourth Proportional to 169,810.90, 234,341.47 and 93,337.07

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Solution

The fourth proportional to 169,810.90, 234,341.47 and 93,337.07 is: 128,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,810.90 : 234,341.47 = 93,337.07 : x
  2. Step 2: Convert to fraction form
    169,810.90/234,341.47 = 93,337.07/x
  3. Step 3: Cross multiply
    169,810.90x = 234,341.47 × 93,337.07
  4. Step 4: Simplify right side
    169,810.90x = 21,872,746,627.43
  5. Step 5: Solve for x
    x = 21,872,746,627.43/169,810.90
  6. Step 6: Final answer
    x = 128,806.49

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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.