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Finding the Fourth Proportional to 225,602.35, 311,427.29 and 152,030.91

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Solution

The fourth proportional to 225,602.35, 311,427.29 and 152,030.91 is: 209,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,602.35 : 311,427.29 = 152,030.91 : x
  2. Step 2: Convert to fraction form
    225,602.35/311,427.29 = 152,030.91/x
  3. Step 3: Cross multiply
    225,602.35x = 311,427.29 × 152,030.91
  4. Step 4: Simplify right side
    225,602.35x = 47,346,574,297.53
  5. Step 5: Solve for x
    x = 47,346,574,297.53/225,602.35
  6. Step 6: Final answer
    x = 209,867.38

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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.