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Finding the Fourth Proportional to 235,551.68, 325,058.52 and 128,119.40

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Solution

The fourth proportional to 235,551.68, 325,058.52 and 128,119.40 is: 176,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,551.68 : 325,058.52 = 128,119.40 : x
  2. Step 2: Convert to fraction form
    235,551.68/325,058.52 = 128,119.40/x
  3. Step 3: Cross multiply
    235,551.68x = 325,058.52 × 128,119.40
  4. Step 4: Simplify right side
    235,551.68x = 41,646,302,547.29
  5. Step 5: Solve for x
    x = 41,646,302,547.29/235,551.68
  6. Step 6: Final answer
    x = 176,803.25

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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.