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Finding the Fourth Proportional to 242,258.54, 334,313.43 and 134,828.58

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Solution

The fourth proportional to 242,258.54, 334,313.43 and 134,828.58 is: 186,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,258.54 : 334,313.43 = 134,828.58 : x
  2. Step 2: Convert to fraction form
    242,258.54/334,313.43 = 134,828.58/x
  3. Step 3: Cross multiply
    242,258.54x = 334,313.43 × 134,828.58
  4. Step 4: Simplify right side
    242,258.54x = 45,075,005,041.83
  5. Step 5: Solve for x
    x = 45,075,005,041.83/242,258.54
  6. Step 6: Final answer
    x = 186,061.57

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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.