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Finding the Fourth Proportional to 152,597.51, 210,595.12 and 84,620.76

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Solution

The fourth proportional to 152,597.51, 210,595.12 and 84,620.76 is: 116,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,597.51 : 210,595.12 = 84,620.76 : x
  2. Step 2: Convert to fraction form
    152,597.51/210,595.12 = 84,620.76/x
  3. Step 3: Cross multiply
    152,597.51x = 210,595.12 × 84,620.76
  4. Step 4: Simplify right side
    152,597.51x = 17,820,718,895.14
  5. Step 5: Solve for x
    x = 17,820,718,895.14/152,597.51
  6. Step 6: Final answer
    x = 116,782.50

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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.