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Finding the Fourth Proportional to 59,303,272.80, 89,012,290.80 and 28,619,452.29

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Solution

The fourth proportional to 59,303,272.80, 89,012,290.80 and 28,619,452.29 is: 42,956,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,303,272.80 : 89,012,290.80 = 28,619,452.29 : x
  2. Step 2: Convert to fraction form
    59,303,272.80/89,012,290.80 = 28,619,452.29/x
  3. Step 3: Cross multiply
    59,303,272.80x = 89,012,290.80 × 28,619,452.29
  4. Step 4: Simplify right side
    59,303,272.80x = 2,547,483,009,774,206
  5. Step 5: Solve for x
    x = 2,547,483,009,774,206/59,303,272.80
  6. Step 6: Final answer
    x = 42,956,870.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.