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Finding the Fourth Proportional to 59,549,281.20, 83,539,054.80 and 59,549,281.20

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Solution

The fourth proportional to 59,549,281.20, 83,539,054.80 and 59,549,281.20 is: 83,539,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,549,281.20 : 83,539,054.80 = 59,549,281.20 : x
  2. Step 2: Convert to fraction form
    59,549,281.20/83,539,054.80 = 59,549,281.20/x
  3. Step 3: Cross multiply
    59,549,281.20x = 83,539,054.80 × 59,549,281.20
  4. Step 4: Simplify right side
    59,549,281.20x = 4,974,690,665,467,410
  5. Step 5: Solve for x
    x = 4,974,690,665,467,410/59,549,281.20
  6. Step 6: Final answer
    x = 83,539,054.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.